Answer:
The correct description of a feature of the rock cycle is:
O Rocks change from one type to another.
Explanation:
Sedimentary, metamorphic, and igneous rocks are the three main rock types. Together, they form the universal rock cycle. A sedimentary rock, for example, can change from its known state to another state by passing through crystallization, metamorphism, erosion, and sedimentation. There are no specific orders for the change. The processes that they pass through determine the resulting type.
Answer:
Rocks change from one type to another.
Explanation:
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What will happen to a plant cell placed in distilled water?
The cell will become flaccid due to the cell membrane.
The cell will become turgid due to the cell wall.
The cell will lysis due to the cell membrane.
The cell will burst due to the cell wall.
Answer:
the cell will become turgid due to tge cell wall
Explanation:
when a plant cell is placed in distilled water the water will move in the solution inside the cell is hypertonic to the distilled water serrounding the cell but it will not burst it producr turgor pressure keeping the plant upright
if a plant cell is placed in distilled water, and distilled water has a very low concentration of solutes the cell will become turgid due to the cell wall, hence option B is correct.
How distilled water affect the plant cell?This is because distilled water has a very low concentration of solutes and a high concentration of solvent, making it a hypotonic solution in comparison to the intracellular environment.
To put it another way, we can say that the solute concentration of When a plant cell is placed in distilled water, it becomes turgid.
This is due to the fact that it osmotically absorbs water from the hypotonic distilled water, causing the cytoplasm of the plant cell to enlarge and firmly press up against the cell wall.
Therefore, distilled water has a very low concentration of solutes, so cells will become turgid.
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5. During which month does LA experience the most precipitation? The least?
Los Angeles, United States of America. Los Angeles has dry periods in May, June, July, August and September. On average, January is the most rainy. On average, July has the least rainy days.
PLEASE HELP! Scientists performed studies on mussels and clams. They placed these different species in fresh water that had contaminants commonly found in agricultural runoff and human and animal waste. Within a few days, the mussels and clams had removed the majority of the contaminants. How do these findings relate to ecosystem services in natural environments?
A.
Introducing new species of mussels and clams will help reduce erosion and runoff into rivers.
B.
Increasing the biodiversity of mussels and clams in freshwater ecosystems will improve water quality.
C.
Growing mussels and clams in rivers will provide humans with a steady source of food.
D.
Using a single species of mussel or clam will remove greenhouse gasses from the atmosphere.
Answer:
The answer is B I belive, hope this helps
Answer:
B
Explanation:
Biodiversity basically means to increase the value or in this case, species of the mussels and clams so that they can improve water quality. Improving the water quality would be a service to the ecosystem. Therfore, I believe the answer is B.
if my pet dog fell ill i should take him to hospital ?true or false
A colony of bees was observed feeding on nectar while pollinating plants. What type of ecological relationship exists between the bees and the plants?
1 Parasitism 2 Predation
3 Mutualism 4 Commensalism
Answer:
mutualisim
Explanation:
The bees benefit from the flower's nectar and the flowers benefit because they are being pollinated
hope this helps
If having long fur helps a guinea pig survive, what
would you expect to see change in the population
as it evolves?
DONE
In a population with long fur, there will be more guinea pigs than short fur in the given scenario.
What is trait?A trait, as it relates to genetics, is a unique feature of an individual.
If having long fur helps a guinea pig survive, we can expect the long-furred trait to become more common in the population as it evolves.
This is because guinea pigs with long fur would have an advantage in colder environments, allowing them to retain body heat more effectively and survive longer.
As a result, longer-furred guinea pigs are more likely to survive and reproduce, passing on their long-furred trait to their offspring.
As this process continues over many generations, the proportion of guinea pigs with long fur in the population will increase, while the proportion with short fur will decrease.
Thus, this can be expected to see change in the population as it evolves.
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There is great diversity in the ways different species of microbes
obtain energy for metabolic functions, and
obtain carbon for building the macromolecules of life.
Fill in the chart to indicate how these characteristics are used to describe the nutritional
type or nutritional classification of organisms. (Refer also to Table 27.1 in Biology, 7th
edition.)
Answer:
please insert the chart or table 27.1
7. What is the relationship between the amount of greenhouse gasses in the atmosphere and the average global temperature
Answer:
More heat in the atmosphere, less absorption of greenhouse gases on Earth, and solar and volcanic activity may contribute to an increase in global average surface temperatures.
Explanation:
Compression of mortality is the extent to which an organ can preserve essentially normal function despite decreasing cell number or cell activity. Group of answer choices True False
Answer: False
Explanation:
Compression of mortality refers to the reduction over time with regards to the variance of the age of people at death.
The extent to which the organ can help in preserving normal function despite the fact that there's a reduction in the number or cell activity is referred to as compression of morbidity.
When morbidity is compressed, it should be noted that individuals can be expected to live healthier and longer as well.
Therefore, the statement is false
The subject of a source can best be described as themain topic or area of concern.most important idea in the text.tendency to view something in a certain way.way the source wants people to feel or think.
Answer:
main topic or area of concern.
Explanation:
An information source can be defined as a system or medium through which informations, knowledge and ideas may be gotten and used by an individual. An information source can either be a primary or secondary source of information. The source options for informations are television, radio, web, newspapers, journals, magazines etc.
The four criteria used to evaluate source options are;
1. Accuracy: the user of this source of information should check if the data presented are accurate and credible. At this point, you should ensure that the informations provided are well researched and cited for verification.
2. Authority: you should endeavor to know who the author and publisher of the information source is. Also, it is important to know their qualifications.
3. Currency: it is necessary to know when the information source was created or produced by the author. Also, the user of this data should verify when it was published (in the case of a book) or if it requires an update (in the case of a website). Hence, the information source should be timely.
4. Objectivity: ensure that the source of information is unbiased, reliable, and should not only contain opinions but facts.
Basically, the subject of a source can best be described as the main topic or area of concern.
Pls help !!!Genetically modified plants have the potential to deter pests while not
harming bees. How?
A. Plants would be able to control the pesticide levels in their flowers,
keeping them below lethal levels for bees.
B. Plants would effectively become inedible to aphids.
C. Plants would produce a natural pesticide that does not harm bees.
D. Plants would produce a pheromone aphids use to warn of predators.
Which statment describes the relationship
between the reactants of photosynthesis
and the products of cellular respiration?
A:Cellular respiration and photosynthesis are
unrelated
B:The reactants of cellular respiration are the
reactants of photosynthesis
C:The products of cellular respiration serve as
the reactants of photosynthesis
D:The products of cellular respiration are the
products of photosynthesis
Answer:
the answer is c. the product of cellular respiration serve as the reactants of photosynthesis
Can some help me out please
Answer:
Codominance
Example:
A red and white spotted rose is an example of codominance while a pink rose when crossed with a red and white rose is an example of incomplete dominance.
In the world of purple people eaters, one eye (E) and one horn (H) are dominant traits. Purple people eaters
can also have two eyes (e) and two horns (h), which are recessive traits.
Perform a dihybrid cross among a male who is heterozygous for both traits and a female
who is heterozygous for both traits. Use the results for your prediction below.
HOW MANY ONE-EYED TWO-HORNED PURPLE PEOPLE EATERS ARE THERE?
O 3
1
0
Ο Ο Ο
16
9
O4
12
the answer is 16 because its like greater then you now what am saying its the correct answer
During mammalian embryogenesis, the first differentiation event that occurs leads to a polarization of the outer cells of the 16-cell morula. This outer layer of cells forms the trophectoderm and the inner, apolar clump of cells become the inner cell mass. The inner cell mass will give rise to:
Answer:
the entire embryo
Explanation:
The trophectoderm refers to the polarized single cell layer that forms the wall of the blastocyst, thereby forming the first epithelium during embryogenesis. Moreover, the blastocyst is composed of 1-an inner cell mass (ICM) which will form all the tissues of the embryo's body, and 2-an outer layer composed of cells collectively called the trophoblast. The ICM of the blastocyst will form the embryoblast (which subsequently will give rise to the embryo itself) and the fetus, while the trophoblast will form all of the supporting tissues (i.e., amniotic sac, placenta, and umbilical cord). In humans, the blastocyst is the developmental stage of the embryo on day 5 after fertilization.
How do you think different people’s chromosomes would compare
Answer:
Most humans have 46 chromosomes of approximately the same size and shape. The only major difference between different people's chromosomes can be found in the sex chromosomes. ... A karyotype is a picture showing a cell's chromosomes grouped together in pairs.
Explanation:
Is this statement true or false?
Areas with mountains are warmer than other areas at the same latitude.
true
false
Answer:
Places at the same latitude may have very different climates if one is on a coast and one is inland. On the coast, the climate is influenced by warm moist air from the ocean. A coastal climate is usually mild. ... Farther inland, the climate is influenced by cold or hot air from the land.
Explanation:
hope this helps true
false
hope this helps
You are a botanist looking at the plant color in a new breed of Snapdragon. The two parent plants are Blue and Green and when you cross them you make F1 plants that are Cyan in color (a light aqua color). The ratio of offspring is as follows: There were 42 plants with Blue flowers (R1), 39 plants with Green flowers (R2) and 86 plants with Cyan flowers. Is the number of your progeny consistent with a single-gene incomplete dominance inheritance pattern
Answer:
Incomplete dominance is the inheritance pattern where the dominant allele did not mask the recessive allele completely and form a mix of both alleles. Here the inheritance is the incomplete inheritance. The ratio of F2 generation is 1:2:1.
Given:
R1R1 = 42
R2R2 = 39
R1R2 = 86
Total R1 alleles = 2*42+86 = 170
Total R2 alleles = 2*39+86 = 164
Total alleles = 334
Frequency of allele R1 = 170/334 = 0.51
Frequency of allele R2 = 164 / 334 = 0.49
Expected number of each phenotype:
Total population = 167
Blue = R1R1 = 0.51 * 0.51 * 167 = 43.44
Green = R2R2 = 0.49 * 0.49 * 167 = 40.10
Cyan = 2*R1*R2 = 2*0.51*0.49*167 = 83.46
Phenotype Observed(O) Expected (E) O-E (O-E)2 (O-E)2/E
Blue 42 43.44 -1.44 2.0736 0.0477
cyan 86 83.46 2.54 6.4516 0.0773
green 39 40.1 -1.1 1.2100 0.0302
Total 167 167 0.1552
Chi-square value = 0.155
Degrees of freedom = no. of phenotypes – 1
Df = 3-1 = 2
Critical value = 5.99
Chi-square value of 0.155 is less than the critical value of 5.99. So we accept the null hypothesis.
¿Qué son los hongos?
Answer:
Los hongos son microorganismos eucariontes, tanto uni como pluricelulares-heterótrofos.
The rete testis Multiple Choice transports seminal fluid to the efferent ductules. receives sperm from the seminiferous tubules. is a venous network that cools the arterial blood traveling to the testis. is the site of spermiogenesis. is the nerve plexus that supplies the testis.
Answer:
Receives sperm from the seminiferous tubules.
Explanation:
The rete testis is a set of tubules that transport the sperms from the straight seminiferous tubules, the last portion of the seminiferous tubules, to the efferent ducts. Then, the sperms go to the epididymis conduct. From there, they go to the deferent conduct, then to the ejaculatory duct, and lastly to the urethra.
1) Define biodiversity in your own words:
2) Why is biodiversity important?
Answer:
Explanation:
1.) Biodiversity is variety in an ecosystem and the living things inside of it. It means all the different species and creatures that live on the planet.
2.) Biodiversity is important because it provides vital ecosystem functions such as soil fertilization, nutrient recycling, pest and disease regulation, erosion control, and crop and tree pollination. Each species ina n ecosystem has a role to play.
An electrocardiogram (ECG) provides information about: Group of answer choices the pressure of blood in the heart chambers the rhythm of heart contractions the speed of blood flow through the blood vessels the amount of oxygen in the blood as it leaves the heart
Answer:
the rhythm of heart contractions.
Explanation:
In Human anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.
Generally, the cardiac cycle occurs in two (2) stages;
1. Diastole : in this stage, the ventricles is relaxed and would be filled with blood.
2. Systole: at this stage, the muscles contracts and thus, allow blood to be pushed through the atria.
An electrocardiogram (ECG) provides information about the rhythm of heart contractions.
Additionally, the right atrioventricular valve (AV) also referred to as the tricuspid valve is located on the right dorsal side of the human heart. The right atrioventricular valve (AV) comprises of three (3) leaflets (flaps) which opens and closes in order to allow for the flow of blood from the right atrium of the human heart to the right ventricle. Also, the right atrioventricular valve is saddled with the responsibility of preventing blood from flowing backward in the mammalian heart.
Which type of base is shown? How can you tell?
Answer:
The correct answer is - purine nitrogenous base (adenine).
Explanation:
The base given in the diagram in the image has two rings attach with the pentose sugar which is attached to the phosphate, which means it is the diagram of nucleotide. In this nucleotide base can be either purine or pyrimidine.
Pyrimidines have a single ring structure, whereas purines have 2 ring structures. Adenine and guanine are purines with two ring structures whereas cytosine and thymine are pyrimidines as they have one ring structure. Adenine contains an amine group on C6, and a double bond between N1 and C6.
True or False: Purine is connected to pyrimidine using oxygen bonds.
Answer:
False
Explanation:
In DNA double helix molecule, there are four types of nitrogenous bases: adenine, guanine, cytosine and thymine. Purines (i.e., adenine, guanine) and pyrimidines (i.e., cytosine and thymine) hold DNA strands together via hydrogen bonds. In base pairing, guanine always pairs with cytosine through 3 hydrogen bonds, while adenine always pairs with thymine by 2 hydrogen bonds. Hydrogen bonds are a type of dipole–dipole interaction where a hydrogen atom is covalently bonded to a very electronegative atom (e.g., Nitrogen or Oxygen).
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what is ANTI nuclear?? NOT JUST nuclear BUT ANTI nuclear.
PUT 3 FACTS ABOUT ANTI nuclear ENERGY.
ILL GIVE BRIANLIEST.!
Antinuclear energy or movement, are the social movement opposed to the production of nuclear weapons and the generation of electricity by nuclear power plants.
Plz help me well mark brainliest if correct!!
Answer:
A
Explanation:
it causes temperatures to rise
Answer:
the answer is all of the above
Explanation:
these are all consequences of climate change
Plant stems can be ______, ______, thick,______, or _________.
Answer:
Underground stem, Aerial stem, and subaerial stem.
Explanation:
Plant stems can be Underground stem, Aerial stem, and subaerial stem due to its presence and strength of the stem. Underground stem are thick stems that run below the ground surface. e.g rhizome. Aerial stems are thin stems that can not stand erect. Examples include watermelon and strawberry etc. Subaerial stems are very thin stems that do not rise up but grow just above the ground. for example, water plantain, flowering rush etc.
Please help I’ll mark you as brainliest if correct!
Answer:
C It belongs to the domain Eukarya
Explanation:
The cell has a nucleus and other membrane-bound organelles, unlike a prokaryote (bacteria and archea) would. Prokaryotes lack a nucleus and other membrane-bound organelles.
Prokaryotic cell is in the image
.They are usually found in air * True False
Answer:
true
Explanation:
I hope it helps
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Please help, I will give lots of points ILYSM!!!
Hydroelectric power is much cleaner and safer source of energy compared to coal, instead of digging out the Earth, we simply use its natural flowing water. Using hydroelectric power also ensures we do not suffer from the smog and harmful chemicals emitted by coal powered plants. A cleaner environment ensures happier people, a healthier ecosystem, and overall a better place to live. Not all areas can harness local water systems like our Town, we are lucky to even have the opportunity to live on hydroelectric power. Due to this, we can simply use the coal we mine and sell it to other less fortunate towns, while not needing to worry about our electricity or coal economy.