Answer:
no
Explanation:
because the allele freqencies are identical so their genetics are still the same.
are two types of reactions in metabolic pathways: anabolic and catabolic. a. which reactions release energy? b. which reactions consume energy? c. which reactions build up larger molecules? d. which reactions break down molecules?
Answer:
c which reactions build up larger
which of the following would be likely to increase the strength of synaptic communication (more likely to be excitatory)? group of answer choices an increase in k levels in the solution bathing the synapse an increase in chloride channels on the postsynaptic cell an increase in calcium entry into the presynaptic neuron during an action potential a decrease in the number of receptors on the postsynaptic cell
The correct option is A; An increase in the number of receptors on the post-synaptic cell
Researchers discovered that rapidly and repeatedly activating synapses in the rabbit hippocampus made them stronger; the volume control was turned up and stayed that way. This long-term increase in synaptic strength was dubbed long-term potentiation, or LTP.
An excitatory synapse occurs when an action potential in a presynaptic neuron raises the likelihood of an activity potential in a postsynaptic neuron.
Excitatory (or EPSPs) PSPs increase the possibility of a postsynaptic action potential happening, while inhibitory (or IPSPs) PSPs lower this likelihood.
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Full Question;
Which of the following would be likely to increase the strength of a synapse?
A an increase in the number of receptors on the post-synaptic cell
B removing all Na+ from the fluid surround the pre- and post-synaptic neurons
C a decrease in calcium levels in the cytoplasm of the presynaptic cell
D an increase in the metabolism and removal of neurotransmitter
a plant has two alleles for color. the red allele is recessive, and is represented by q. the purple allele is dominant, and is represented by p. if 30 of 100 organisms are red, what is q?
a plant has two alleles for color. the red allele is recessive, and is represented by q. the purple allele is dominant, and is represented by p. if 30 of 100 organisms are red, then q will be 0.55.
p^2+2pq+q^2=1. q^2=0.3. so q is 0.55.
A DNA sequence (a single base or a segment of bases) at a certain genomic region might have two or more variations, each of which is referred to as an allele. For any chromosomal region where such variation exists, a person inherits two alleles, one from each parent. The person has homozygosity for that allele if the two alleles are identical. An individual is heterozygous if the alleles are different.The variant form or versions of a gene are referred to as "alleles," in our language. We frequently group the alleles into categories since each autosomal gene results in one allele that is inherited from each parent. They are frequently referred to as either normal or wild-type alleles, abnormal or mutant alleles, or both.
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A plant has two color alleles. The recessive red allele is symbolized by the letter q. The dominant purple allele is indicated by the letter p. Q = 0.55 if 30 out of 100 organisms are red.
At a specific genomic region, a DNA sequence (a single base or a segment of bases) may have two or more variations; each variation is referred to as an allele. A person inherits two alleles—one from each parent—for any chromosomal region with such variation.
= P^2+2pq+Q^2=1,
= q^2=0.3, and
= q is therefore 0.55.
If the two alleles are identical, the individual has homozygosity for that allele. A person has heterozygosity if the alleles are distinct. In our language, "alleles" refers to a gene's variant form or variants. Since each autosomal gene produces one allele that is inherited from each parent, we typically categorize the alleles. The terms "normal" or "wild-type" alleles, "abnormal" or "mutant" alleles, or both, are frequently used to describe them.
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1. what is a line of best fit?
2.look at the graph with correlation coefficients of r=0.9 and r= -5. What kind of relationship does each of these values indicate
3. Compare the scatterplot with correlation coefficient of R= 1 and R =0. Use a correlation coefficients to predict how an increase in one variable would affect the other variable for each scatterplot.
A line of best fit is a straight line that is used to describe the relationship between two variables in a scatterplot.
What is a line of best fit?It is the line that best represents the data points on the graph. The correlation coefficient (r) of a line of best fit is a measure of how closely the data points fit the line.For the graph with correlation coefficient of r=0.9, this indicates a strong positive linear relationship between the two variables. This means that as one variable increases, the other variable also increases.For the graph with correlation coefficient of r=-5, this indicates a strong negative linear relationship between the two variables. This means that as one variable increases, the other variable decreases.For the scatterplot with correlation coefficient of R=1, this indicates a perfect positive linear relationship between the two variables. This means that as one variable increases, the other variable increases in the same proportion.For the scatterplot with correlation coefficient of R=0, this indicates no linear relationship between the two variables. This means that an increase in one variable would not affect the other variable.To learn more about correlation coefficient refer to:
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which lobe is responsible for synthesizing information received from the rest of the brain and deciding how to respond?
The central sulcus, which separates the frontal lobe from the parietal lobe, and the lateral sulcus, which separates the frontal lobe from the temporal lobe
What is the brain?The brain is a sophisticated organ that manages every bodily function as well as thought, memory, emotion, touch, motor skills, vision, respiration, temperature, and hunger. The central nervous system, or CNS, is made up of the spinal cord that emerges from the brain.
The forebrain, midbrain, and hindbrain are the three fundamental parts of the brain. The brain stem, the cerebellum, and the top portion of the spinal cord are all parts of the hindbrain.
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what is it called when you have 2 different colored eyes
Answer: Heterochromia Have a nice day ;)
Answer: heterochromia
Explanation:
this is the structure of ibuprofen. it has limited solubility in water (21 mg/l at ph 7) and has a pka of approximately 5. you have a headache but you have to study for the cell bio midterm, and you decide to take an ibuprofen pill. human cells have no transporter for ibuprofen. how then, does this molecule cross the intestinal epithelial cell membranes to get from your gastrointestinal tract into your bloodstream?
A non-steroidal anti-inflammatory medicine (NSAID) called ibuprofen is used to treat inflammation, fever, and discomfort. Ibuprofen can be successfully absorbed by the intestines and transferred across the intestinal epithelial tissues into the circulation despite its poor solubility in water.
Passive diffusion is one method through which ibuprofen can diffuse through the intestinal epithelial membrane. Molecules travel by a process called passive diffusion from a region with a higher concentration to one of a lower concentration. Ibuprofen is in the ionised state at the pH of the digestive system (hcl 7), which makes it much more hydrophobic and thus more able to pass the liposome cell membrane. Motrin has a pKa of roughly 5. Facilitated diffusion is another method by which ibuprofen can pass through the intestinal epithelial cell membrane. By means of certain transporters, chemicals can penetrate a cell membrane through a process called "facilitated diffusion." Ibuprofen does not have a unique transporter in human cells, but it is hypothesised that it can penetrate the cell membrane by attaching to the same transporters that allow other medications and chemicals, including amino acids and glucose, to enter the body. It's also important to remember that ibuprofen can be taken with meals because doing so might boost the drug's solubility and therefore its bioavailability. It's crucial to note that this explanation has been simplified, and the precise method through which ibuprofen works.
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a patient says it hurts when he urinates and he has blood in his urine
What does it mean when a patient says it hurts when he urinates and has blood in his urine?
This frequently happens as a result of a UTI, such as cystitis. Blood in urine can be caused by a number of dangerous diseases and situations.
The most typical ones are: Bladder infections (like cystitis), which frequently result in a burning pain when you pee. This ailment is frequently brought on by prostate issues, kidney stones, and urinary tract infections. Blood in the pee is a less frequent sign of a more serious disease. All men should visit their doctor if they notice blood in their urine for the first time. Hematuria is referred to as blood in the urine. The quantity might be so minute that it can only be found through urine testing or a microscope.
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Michael Pollan studies, speaks, and writes about humans’ relationship with food, He says, "Every major food company now has an organic division. There’s more capital going into organic agriculture than ever before. " Based upon what you have read about starvation and malnutrition, comment on your view of increasing organic food production in the United States versus the lack of food available to other countries
Organic agriculture is a method of farming that focuses on using natural methods to grow crops and raise animals without the use of synthetic pesticides, fertilizers, or genetically modified organisms (GMOs).
It is seen as a more sustainable and environmentally friendly approach to agriculture. However, it is important to note that organic food production is still a luxury good that is not accessible to everyone. While organic food is becoming more widely available and more affordable in the United States, it is still out of reach for many low-income households. Additionally, organic food production is still relatively small in comparison to conventional agriculture in the United States.
On the other hand, in many developing countries, starvation and malnutrition are still major issues. In these countries, the lack of food is often due to poverty, lack of access to fertile land, and lack of infrastructure for food distribution. Organic agriculture may not be a priority for these countries, as their main concern is simply producing enough food to feed their populations.
It is important for developed countries to find a balance between increasing organic food production and ensuring that everyone has access to enough food. Organic agriculture can be a beneficial approach to food production, but it should not come at the expense of those who are struggling to put food on the table.
It's important to consider that the United States is a large country with enough resources to produce food for its population and also to export it, thus having the opportunity to invest in more sustainable ways of producing food and also
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how to get rid of fleas in yard without harming pets
Here are some efficient techniques for eliminating Fleas from your home without harming pets:
1. Employ baking soda
Sprinkle some baking soda down, scrub your carpet, and then vacuum it up to eradicate any fleas hiding in its fibres. In the same way, routinely vacuuming your carpet will aid in warding off bugs.
2)Add a ittle salt
Salt functions in a manner a lot like baking soda. In order to get rid of fleas rapidly, Experts advise to add sprinkling salt on your carpet, leaving it there for two days, and then vacuuming it away. The Dehydration is quickly and effectively eliminated naturally when salt is used as a dehydration agent.
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Step 1: Cut your grass.
Make sure that fleas are not attracted to your lawn while allowing their natural predators to flurries
Next, tidy up your yard.
Fleas can be repelled by establishing a natural perimeter around your property and house.
3. Keep an eye on the dampness.
Moisture is a food source for fleas, and it makes them happy.
4. Allow the sun to shine.
Darkness is something else fleas enjoy. In order to help prevent fleas, trim any bushes and trees in your yard so that sunshine may shine through.
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what are 2 signs that rain is coming
Environmental factors that can cause genetic mutations can be classified as chemical, physical, or biological mutagens.
True: Environmental factors that can cause genetic mutations can be classified as chemical, physical, or biological mutagens.
Environmentally induced mutations are the most common type of mutation. A mutagen is any outside agent that causes a change in DNA. Radiation, chemicals, and high temperatures are all mutagenic substances. Mutagens are classified as physical, chemical, and biological mutagens. Physical mutagens are the most common type of mutagen. hence, the statement provided is true.
Some mutagens cause DNA fragmentation. This has the potential to alter the base sequence. A base may vanish, or two bases may merge together. Other mutagens cause the substitution of one base for another. If the mutation occurs in a non-functional part of the DNA, it is possible that the mutation will remain silent. Mutations in the DNA sequence that occur in the actively transcribed region, on the other hand, can cause cell death and are referred to as lethal mutations.
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Complete question is:
Environmental factors that can cause genetic mutations can be classified as chemical, physical, or biological mutagens. State true or false.
True: Environmental factors that can cause genetic mutations are classified as mutagens, which can be chemical, physical, or biological.
The most common type of mutation is one caused by the environment. A mutagen is any external agent that alters DNA. Mutagenic substances include radiation, chemicals, and high temperatures. Mutagens are classified into three types: physical, chemical, and biological. The most common type of mutagen is a physical mutagen.
As a result, the provided statement is correct. DNA fragmentation is caused by some mutagens. The base sequence may be altered as a result of this. A base may disappear, or two bases may merge. Other mutagens cause the substitution of one base for another. If the mutation occurs in a non-functional part of the DNA, the mutation may go unnoticed.
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What do you think of the butterfly effect. Use at least one example in your answer.
Answer:
The butterfly effect is that small causes can have significant impacts, specifically in chaotic systems. One example of the butterfly effect is in weather forecasting. A small change in the initial conditions of a weather system, such as the flapping of a butterfly's wings, can lead to vastly different weather patterns down the line. This makes long-term weather forecasting difficult, as minor errors in initial conditions can significantly affect the outcome.
Explanation:
the study of the evolutionary relationships between organisms, which is called , may influence the discipline of identifying and grouping organisms, which is called
The study of the evolutionary relationships between different organisms which is known as phylogeny might influence the discipline of grouping and identifying organisms which is known as taxonomy.
Phylogeny is can be defined as the evolutionary history of a particular species or a group. The relationships amongst the organisms can be represented as an evolutionary tree which is known as the phylogenetic tree. In a phylogenetic tree, the species or groups are organized in a way that it allows us to know how they evolved from the common ancestors.
Taxonomy is a discipline which involves the grouping as well as the identification of different organisms. Phylogeny influences taxonomy as the phylogenetic relationship amongst organisms determines the groups in which they must be classified.
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List two ways to ensure the continued supply of freshwater.
Answer:
1.Water conservation: One of the most effective ways to ensure the continued supply of freshwater is to reduce the amount of water that is used and wasted. This can be done through a variety of methods, including fixing leaks, installing low-flow fixtures, and promoting water-saving behaviors among the population.
2.Water reclamation and reuse: Another way to ensure the continued supply of freshwater is to reclaim and reuse wastewater. This can be done by treating wastewater to remove impurities and then using the cleaned water for irrigation, industrial processes, or even for drinking in some cases. This not only reduces the demand for freshwater but also helps to conserve the existing water resources.
insufficient production of bile is mostly likely to impair absorption of a. starch. b. fat. c. protein. d. sugars.
Answer:
B. Fat
Explanation:
The answer is B. fat because if this is impaired in absorption, it means the production of bile could be insufficient.
What type of molecule is glucose?
O lipid
O carbohydrate
O nucleic acid
O protein
an incompetent mitral valve allows the retrograde flow of blood from the left ventricle into this structure
An incompetent mitral valve allows the retrograde flow of blood from the left ventricle into aorta structure.
The aorta, which emerges from the left ventricle of the heart and travels down to the abdomen before splitting into two smaller arteries, is the principal and biggest artery in the human body (the common iliac arteries). Through the systemic circulation, the aorta provides oxygenated blood to every area of the body.
The thoracic aorta, or thoracic segment of the aorta, goes from the heart to the diaphragm and can be categorized by anatomical compartment. From the diaphragm until the aortic bifurcation, the aorta descends as the abdominal aorta (or abdominal section of the aorta).
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An incompetent mitral valve allows the retrograde flow of blood from the left ventricle into the left atrium.
The retrograde flow of blood from the left ventricle (LV) into the left atrium (LA) through the mitral valve (MV) results in mitral regurgitation (MR), a systolic murmur that is best heard at the heart's apex with radiation to the left axilla. Over 2% of the population is affected by MR, which is the most common valvular abnormality worldwide and has a prevalence that rises with age. The annulus of the mitral valve is made up of two leaflets, one anterior and one posterior. The left atrial (LA) endocardium is where the posterior mitral leaflet comes from.
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what would be considered to be an area in environmental science where we are seeing progress toward sustainability?
Renewable energy would be considered to be an area in environmental science where we are seeing progress toward sustainability.
Renewable energy is a type of energy production that is derived from naturally replenishing sources such as wind and water. Production can remain constant for renewable energy sources such as hydropower, wind energy, and solar energy as long as these resources are available, which is essentially guaranteed.
In the same way, a sustainable energy source can be kept going indefinitely without jeopardizing or endangering future generations. Because sustainability is based on the substitution of environmentally friendly energy production processes for harmful ones, most renewable energy sources are considered sustainable based on their ability to generate clean, reliable energy for the future.
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A molecular biologist is working with an unknown enzyme. In order to test the living conditions of this enzyme, the biologist places the unknown enzyme in two separate vials. In the first vial, the pH is set at 2. 0 while the temperature is at 36° C. In the second vial, the pH is set at 11. 5 and the temperature is set at 26° C. What should happen in this experiment? *
The enzyme in the first vial should become inactive or denatured due to the experiment's low pH of 2.0.
A pH of 2.0 is far beyond the range of most enzymes, which have a preferred pH range within which they work best. Although not as severe as the low pH, the high temperature of 36°C may also have an effect on the enzyme.
The enzyme should stop working in the second vial due to the high pH of 11.5, which is much higher than the pH range for most enzymes. Even if 26°C is below the optimal temperature range for the enzyme, it may have less of an effect.
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Due to the experiment's low pH of 2.0, the enzyme in the first vial should become inactive or denatured.
A pH of 2.0 is significantly outside the range for the majority of enzymes, which have an ideal pH range within which they operate best. Although it is less likely to be as severe as the low pH, the high temperature of 36°C may also have an impact on the enzyme.Due to the high pH of 11.5 in the second vial, which is significantly higher than the pH range for most enzymes, the enzyme should likewise cease to operate there. Even if 26°C is below the ideal range for the enzyme, it may have less of an impact.
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is the process in which haploid gametes fuse to form a diploid cell called a zygote.
Fertilization is the process in which haploid gametes fuse to form a diploid cell called a zygote.
A zygote is the cell that results from the union of the sperm and the egg. The zygote has all the genetic material required to develop into a new organism because it has all the chromosomes from both parents.
Egg and sperm cells come into contact during fertilization, and the sperm cell then penetrates the egg cell. Following this, the nuclei of the egg and sperm cells combine to create a single diploid cell that has twice as many chromosomes as the haploid gametes. Following a sequence of divisions known as cleavage, the zygote develops into a multicellular organism.
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fertilization is the process in which haploid gametes fuse to form a diploid cell called a zygote.
The sperm and egg combine during fertilization to generate a zygote in one of the fallopian tubes. The zygote then passes through the fallopian tube and develops into a morula. A blastocyst develops from the morula once it enters the uterus.
The blastocyst subsequently undergoes implantation, in which it burrows into the uterus lining. A gamete joining is referred to as fertilization. Sperm and egg combine during fertilization to create a diploid zygote, which starts fetal development.
The sperm-egg attachment process in mammals includes several sequential phases, such as the acrosome reaction, pleura penetration, and membrane fusion.
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What elements are necessary to support a wide variety of life for a given region?
The most crucial substances are carbon, hydrogen, oxygen, and nitrogen. Life requires trace amounts of other elements. In living things, carbon predominates over all other elements.
Water and sunlight are the most vital ingredients or elements required to sustain a wide variety of life in a certain area. Soil is another essential component since it aids in the growth of plants and crops. There is also a need for air that is sufficiently oxygenated. Given that savanna/woodland habitats have the highest concentrations of people, they are the vegetation types where human activity and living things is most likely to have a detrimental impact on species diversity.
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The most crucial substances are carbon, hydrogen, oxygen, and nitrogen. Life requires trace amounts of other elements. In living things, carbon predominates over all other elements.
Water and sunlight are the most vital ingredients or elements required to sustain a wide variety of life in a certain area. Soil is another essential component since it aids in the growth of plants and crops. There is also a need for air that is sufficiently oxygenated. Given that savanna/woodland habitats have the highest concentrations of people, they are the vegetation types where human activity and living things is most likely to have a detrimental impact on species diversity.
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The farmer decided that there was no need to add more than 60 kg of fertiliser for Hector explain all the results of the experiment support her decision
The fertilizer must be added according to the land space available.
Why do we add fertilizer?The reason why a farmer would have to add fertilizer to the farm is so that there would be a better yield of the crops that the farmer is trying to plant. It is true that there are nutrients in the soil but they often need to be supported by the use of fertilizer.
Actually, we can find out that fertilizer is added on the bassi of the kind of space that the land occupies. You can't add more fertilizer than the availaible space. This is why the farmer decided that there was no need to add more than 60 kg of fertilizer for Hector.
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EASY 30 POINTS!!!
Explain how the Explain how the limiting factors affect carrying capacity in each population.
limiting factors affect carrying capacity in each population.
Limiting factors affect the carrying capacity of each population because organisms have different constraints that hamper full expansion growth.
What are the limiting factors of a biological population?The limiting factors of a biological population are the factors that keep the population from growing or declining beyond its current size. These factors can be physical and/or biological.
Therefore, with this data, we can see that limiting factors such as water available to the population are able to constrain the full growth of a population and therefore they affect the carrying capacity of such individuals.
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In addition to regulating enzymes with activators and inhibitors, cells also regulate enzyme activity by
a) covalently bonding enzymes into large aggregates.
b) secreting enzymes out of the cell.
c) limiting the availability of substrates.
d) restricting enzymes to specific organelles or membranes.
In addition to regulating enzymes with activators and inhibitors, cells also regulate enzyme activity by limiting the availability of substrates.
When a certain amount of enzyme is present, the rate of an enzymatic reaction grows as the concentration of the substrate increases until a limiting rate is achieved, at which point an increase in the concentration of the substrate has no effect on the reaction rate. By this time, there is so much substrate available that it is essentially bonded to every enzyme active site. In other words, the substrate has completely saturated the enzyme molecules. Before the surplus substrate molecules may react and be released, the substrate that is already bound to the enzymes must first react (or been released without reacting).
An enzyme-catalyzed reaction initially progresses at a faster pace as substrate concentration rises. This rise in reaction rate levels off as the substrate saturates the enzyme molecules. An enzyme's concentration increases along with the speed of an enzyme-catalyzed process.
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In addition to regulating enzymes with activators and inhibitors, cells also regulate enzyme activity by c) limiting the availability of substrates.
Other molecules have the ability to either increase or decrease the activity of enzymes. The term "activators" refers to molecules that increase an enzyme's activity, while "inhibitors" refer to molecules that decrease an enzyme's activity.
Enzymatic regulation can take many forms, including allosteric regulation, genetic and covalent modification, and enzyme inhibition. There are three methods for inhibiting enzymes: competitive, non-competitive, or uncompetitive inhibition.
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at the beginning of a meal, the hormone is secreted from the stomach; this hormone controls the release of . a. pepsinogen; pepsin b. gastrin; hcl c. bile; lipase d. cholecystokinin; pancreatic enzymes
Answer: gastrin
Explanation: . During a meal, gastrin stimulates the stomach to release gastric acid (hydrochloric acid).
directions: the suggested time for answering this question is about 22 minutes. where calculations are required, clearly show how you arrived at your answer. where explanation or discussion is required, support your answers with relevant information and/or specific examples. the active ingredients in many pesticides are chemical compounds that kill organisms such as insects, molds, and weeds. proponents claim that the use of pesticides improves crop yields and thus protects land and soil by reducing the conversion of forests and wetlands to cropland. opponents of pesticide use claim that pesticides degrade water and soil quality and that other modern agricultural techniques and practices are responsible for the improved crop yields in recent years. design a laboratory experiment to determine whether or not a new pesticide (product x) is toxic to minnows, a type of small fish. for the experiment you design, be sure to do all of the following. state the hypothesis. describe the method you would use to test your hypothesis. identify the control. identify the dependent variable. describe experimental results that would lead you to reject your hypothesis in part (a)(i). (be specific.) one strategy for dealing with agricultural pests is integrated pest management (ipm). describe ipm. as part of your description, include two specific pest-control approaches that are part of ipm. identify one environmental benefit of using ipm. describe two agricultural practices, other than those involving pest control, that increase crop yields.
The experiment would be designed around the hypothesis that higher concentrations of the new pesticide product X will result in more minnow deaths in the population.
In order to conduct this experiment, we needed four different tanks, each with fresh water and 20 minnows.In this experiment, tank 1 with no pesticide would serve as the control.Pesticide concentrations in tanks 2 and 3 were 0.05%, 0.1%, and 0.2%, respectively.Every day, the number of minnows that died in each tank would be counted.The experiment should be carried out for 30 days.Pesticide concentration is an independent variable.The number of minnow deaths per day of exposure is the dependent variable.Based on the test design, we can determine whether a new pesticide (product X) is toxic to minnows, a type of small fish.Learn more about " experiment design " to visit here;
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When Was the least gravitational potential energy stored between Patrick And Earth? Assume that Patrick's mass did not change
Patrick shocking the band with his loud music is the best way to change the sentence below from passive voice to active voice.
What is a sentence?A sentence has been defined as having the subject, or the predicate, and or an object. The subject has been refers to what we are talking about, and the predicate refers to what the subject is doing, has done, or will be doing.
The voice of the phrase in grammatical refers to the interaction between the individuals named by the verb's factors and the activity which the verb represents. The verb has been used in the appropriate language when the subject is the operator or performer of the operation.
Therefore, Patrick shocking the band with his loud music is the best way to change the sentence below from passive voice to active voice.
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the provider receives fetal karyotype results on one of his clients. the karyotype describes an absence of all or part of the x chromosome. which condition does the fetus exhibit?
The provider receives fetal karyotype results on one of his clients. the karyotype describes an absence of all or part of the x chromosome the fetus exhibit Turner syndrome.
A condition that exists from birth is referred to as congenital. Congenital illnesses may be inherited or brought on by outside influences. Their effects on a child's health and development aren't necessarily negative; in fact, they can occasionally be fairly moderate. However, a child with a congenital disease may live a life of impairment or health issues.
It's normal to worry about congenital abnormalities if you're pregnant or planning a pregnancy, especially if the disorder in question runs in your family. There are steps you may do to lessen the likelihood that your child will be born with a congenital condition, and while not all disorders can be detected during pregnancy, some can.
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PLEASE ANSWER ASAP FOR 50 POINTS AND BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! :)
1. What are three characteristics that all species belonging to the plant kingdom have in common?
2. How will the numbers of stomata differ in tropical plants and desert plants? How does this help protect the health of a plant?
3. If a plant's xylem and phloem become damaged, what type of damage will result within the plant? Describe the different roles on the xylem and phloem in your answer.
4. Why do we compare the dermal tissue of plants to human skin? Explain your answer.
5. Would a plant be able to survive if the ground tissue was damaged? Explain your answer.
1 - Plants are essentially autotrophic, chlorophyll-containing, non-motile organisms. They are multicellular eukaryotic organisms.
2 - Stomata are minute pores of eliptical shape, consists of two specialized epidermal cell called guard cells .This is an adaptation to check excessive transpiration in these plants .The numbers of stomata differs in tropical plants and desert plant because tropical plants have plenty of water in their environment while on the other hand, desert plants have lower number of stomata in order to conserve more water and increase its survival.
3 - Vascular tissues of plant are xylem and phloem. If xylem will be damaged then plant will not be able to transport water from soil through roots to leaves. If phloem will be damaged then nutrients produced during photosynthesis will not be able to reach each and every part of the plant body.
Phloem is responsible for transporting food produced from photosynthesis from leaves to non-photosynthesizing parts of a plant such as roots and stems. The phloem carries important sugars, organic compounds, and minerals around a plant.
Xylem is a type of tissue in vascular plants that transports water and some nutrients from the roots to the leaves. Phloem is the other type of transport tissue; it transports sucrose and other nutrients throughout the plant. Xylem and phloem give vascular plants their classification; they are the vascular tissues that transport substances throughout the plant.
4 - The dermal tissue system—the epidermis—is the outer protective layer of the primary plant body (the roots, stems, leaves, flowers, fruits, and seeds). The epidermis is usually one cell layer thick, and its cells lack chloroplasts.
Also similar to animal skin, the dermal layer of plants may also contain little hairs called trichomes. Trichomes are unicellular or multicellular extensions from the epidermis and are made up of a stalk and a glandular head. They vary in size, density, and function from plant to plant. Some plants, such as stinging nettle, contain trichomes with needles that inject formic acid and other toxins in order to deter consumption by herbivores. Plants such as winterfat, a flowering desert plant native, have evolved trichomes which reflect the sunlight, shade the plant, and keep it cool in its desert environments. In addition to protecting plants from heat and herbivores, trichomes also may protect the plant by retaining moisture, insulating the plant from frost, and reducing evaporation due to wind.
5 - The length of time a plant can survive with damaged roots depends on the extent of the damage and root loss. If more than 50% of a plant?s root is damaged, the plant will survive up to 5 days if not further care is taken to help revive the plant. Plants need roots to absorb nutrients and water from the soil.
We can confirm that with damaged ground tissue, a plant will most likely not be able to survive. What we know about ground tissues in plants. The ground tissue forms an abundant part of all plant tissues. This tissue includes all plant tissue that is neither vascular nor dermal.