Answer:
i dont know the work week
5) Select True or False. If False, select the statement that makes it True. A piece of plastic is not a mineral because it is made in a factory and is not found naturally in the Earth. True False; A piece of plastic is a mineral because it is inorganic. False; A piece of plastic is a mineral because it is made in a factory and is not found naturally in the Earth False; A piece of plastic is a mineral because it is a mixture.
Answer:
True
Explanation:
The answer is true because Plastic is not a mineral. It is a solid and it has a definite chemical composition. Plastic is made from oil (an organic material) and it is made by humans - plastic is not a naturally occurring substance.
Answer:
True
Explanation:
Please answer fast ASAP I give brainliest
identify two other physical factors and explain their effect on the organism living in the lake?
Answer:
The correct answer is - light level and temperature.
Explanation:
The structure and function of lakes are determined by various factors such as temperature, light level, wind turbulence, water flow rate, dissolved oxygen, acidity (pH), salinity, habitat size, hydrology, and water depth. Stratification and water circulations are influenced by temperature and wind turbulence.
Light level is an important abiotic factor in lake ecosystems. Light is an essential part for plants to perform photosynthesis. Light can directly affect how much life you find in a given area depends on the production of energy and food by the aquatic plants by photosynthesis.
Temperature is a similarly important factor for lakes or other aquatic organisms as it is for land animals. each organism is able to survive in specific temperature ranges and their metabolic activity also depends on the specific temperature range.
Please answer fast ASAP I give you brainliest
Describe the relationship you would expect between depth and light penetration
Answer:The intensity of sunlight decreases rapidly with depth. The depth of the water not only affects the colors of light that are noticeable underwater, it also affects the intensity, or amount of light. Within the first 10 m, water absorbs more than 50 percent of the visible light energy
A graph here shows the average frequency of beak depth for a species of
birds in an area. There is a higher frequency of intermediate beak depths,
with some variation within the population for beak size. A homeowner
removes the native landscaping that contained trees and shrubs that
formed fruits and nuts. The homeowner plants new trees that produce only
larger sized nuts. No more smaller berries or intermediate fruit food
sources are available. What is the most likely impact of the change in the
food supply within the homeowner's vicinity? Select ALL that apply.*
Natural Selection
2
Fitness in Present Environment
3
Beak Depth
There will be a decrease in frequency for beak sizes labeled at point 2 on the graph.
Natural selection will likely favor an increase in frequency for beak sizes at point 3 on
the graph.
Individual birds will migrate to the area, increasing the frequency of beak sizes at
point 1 on the graph.
The population of birds will change over time with regard to its beak frequency due to
directional selection.
The population of birds will change over time with regard to its beak frequency due to
stabilizing selection
Answer: A,B,D
Explanation: trust i just did it on USA test prep:)
Natural selection will likely favor an increase in frequency for beak sizes at point 3 on the graph.
There will be a decrease in frequency for beak sizes labeled at point 2 on the graph.
The population of birds will change over time with regard to its beak frequency due to directional selection.
What is natural selection?
Natural selection is a mechanism of evolution that occurs when individuals with certain advantageous traits are more likely to survive and reproduce, passing those traits on to their offspring. This process leads to a gradual change in the genetic makeup of a population over time, as beneficial traits become more common and less advantageous traits become less common.
Natural selection occurs because resources in nature are limited, leading to competition for survival and reproduction. The individuals with traits that best suit them to their environment will have a higher chance of success, while those with less suitable traits are more likely to die or fail to reproduce. Natural selection is a key driver of evolution and is responsible for the diversity of life on Earth.
Learn more about natural selection, here:
https://brainly.com/question/2725702
#SPJ2
HELP ASP!! DUE TONIGHT
What stimulates the release of the enzyme amylase into the pancreatic duct so that it can break down starches?
A. acetylcholine molecules from a nearby neuron
B. the breakdown of glucose in the chloroplast
C. the division of the cell
D. the presence of protein in the stomach
E. a decrease in the volume of the large intestine
Answer:
B
Explanation:
Took the test and got a A
:-)
The release of the enzyme amylase into the pancreatic duct so that it can break down starches is B. the breakdown of glucose in the chloroplast. Thus, option "B" is correct.
How does glucose break down in human beings?Salivary amylase starts the digestion of starch. Around 30% of total starch is digested by salivary amylase into maltose in the mouth. Pancreatic juice also has an amylase enzyme which digests the remaining starch into disaccharides in the small intestine.
Thus, option "B" is correct.
To learn more about glucose click here:
https://brainly.com/question/2396657
#SPJ2
Define the five systems. Be sure to include enough information to distinguish each system from the others.
Explanation:
this is the answer hope you like it
A___is where an organism lives ,and their ___is their way of life in that place
a:habitat;career
b:niche;habitat
c:habitat;niche
Answer:
C
Explanation:
a habitat is where an organism lives,and their niche is their way of life in that place .
Which substance keeps its shape, weight, and volume when it is moved to a bigger container?
Answer:
Wood
Explanation:
Unless kept in a confined space, oil, are, and water will all naturally deform out of their previous shape when transferred to another container. Wood, on the other hand, is a solid, which means it will stay in it's shape.
How are Photosynthesis and Cellular Respiration Cycles connected?
1)The products of one cycle become the reactants of the other.
2)The sun provides energy for both photosynthesis and respiration.
3)Photosynthesis and respiration both take place in the mitochondria.
4)Animals eat plants for food and then do not need to perform respiration
Why are ferns and mosses poorly adapted to a terrestrial life
Answer:
Because they require a WATER medium for reproduction
Explanation:
Ferns are a group of living organisms under the division; Pteridophyta while mosses belong to the group Bryophyta. Mosses are considered primitive and non-vascular plants because they lack true stems, leaves and roots or vascular tissues. while ferns possess these organs, hence, are said to be vascular.
However, ferns and mosses are poorly adapted to a terrestrial life i.e. life on land because they both require a water medium for their motile male gametes to swim and fertilize their eggs (female gametes).
the potential for antibiotic resistance was recognized in the early 1940s, almost immediately after the first large-scale clinical use of penicillin, the first antibiotic. mass production of penicillin was part of the war effort of world war ii, when the drug was used widely by military populations to treat the wounded. however, even before the war had ended, resistance to penicillin was already being reported. in 1940, british biochemists sir ernst boris chain and sir edward penley abraham published a report about a bacterial enzyme capable of destroying penicillin. in the following decades, overuse and repeated exposure to antibiotic agents favored the selection and replication of numerous strains of antibiotic-resistant bacteria. select all of the statements that accurately portray the role of natural selection in antibiotic resistance. a) when bacteria are repeatedly exposed to antibiotics, they learn how to avoid the antibiotic and survive to reproduce. b) when people overuse antibiotics, the bacteria get resistant to the antibiotic and it is no longer an effective treatment. some bacteria possess a gene for bacterial resistance. these bacteria are likely to survive a course or antibiotics and reproduce. 09 d) bacteria containing the gene for antibiotic resistance can share a plasmid of the gene with other bacteria, allowing the population of bacteria with antibiotic resistance to survive and reproduce. when someone quits taking an antibiotic when they are feeling better, they likely kill only the weaker bacteria. the bacteria with a gene for antibiotic resistance survive, giving them the opportunity to reproduce. e
Answer: c,d,e
Explanation:
I did this and this is correct
Answer:
The following Statements accurately portrays role of natural selection in antibiotic resistance
c) some bacteria possess a gene for bacterial resistance. these bacteria are likely to survive a course or antibiotics and reproduce.
d) bacteria containing the gene for antibiotic resistance can share a plasmid of the gene with other bacteria, allowing the population of bacteria with antibiotic resistance to survive and reproduce
e) when someone quits taking an antibiotic when they are feeling better, they likely kill only the weaker bacteria. the bacteria with a gene for antibiotic resistance survive, giving them the opportunity to reproduce
Explanation:
When bacteria are initially exposed to an antibiotic, those most susceptible to the antibiotic will die quickly, leaving any surviving bacteria to pass on their resistant features to succeeding generations.
As in option C , bacteria possessing better gene will b selected by the nature and hence portrays Natural selection
In option d Bacteria reproduce by plasmid (extra chromosomal DNA ) transfer . Bacteria with antibiotic resistant gene with pass these genes to the succeeding generations.
When bacteria are initially exposed to an antibiotic, those most susceptible to the antibiotic will die quickly, leaving bacteria possessing gene resistant against antibiotics. Here, Darwin’s theory of natural selection comes in. This gives the bacteria an advantage over other(which do not possess antibiotic resistant gene) this bacteria will grow better than its neighbors and can increase in numbers
In option e When one quits antibiotics before completing the entire course of any prescribed antibiotic. The antibiotic resistant bacteria survives. Bacteria that are not controlled or killed by antibiotics. They are able to survive and even multiply in the presence of an antibiotic.
Learn more about Natural Selection in Antibiotics
https://brainly.com/question/23445324
#SPJ2
uue
False
Question 10 (6.667 points)
What is the currently recognized classification scheme?
A) two-kingdom system
B) five-kingdom system
OC) biogeography
OD) three-domain system
The currently recognized classification scheme is the five - kingdom system.
The five kingdom classification involves the grouping of living organisms into classes such that organisms in each class share similar characteristics such as : reproductive process, homeostasis, growth, mode of nutrition, cell structure and so on.
The five kingdom classes include :
Kingdom Monera
Kingdom protista
Kingdom plantae
Kingdom Fungi
Kingdom Animalia.
Learn more https://brainly.com/question/16021065?referrer=searchResults
Today, you have learned some basic general information about bacteria that cause infections and bacteria that protect
and benefit us, living inside and on the surface of our bodies. So, here is a question for you to apply the knowledge you
gained today:
Ms. AB was traveling and caught a nasty flu on the plane. But because she had work and school she could not take any
time off to rest during her flu. 2 weeks after she contracted the flu, she no longer had the fever and sore throat, but her
nose was still stuffy, and she was suffering from sinus headaches. She went to her doctor, who diagnosed her with a
sinus infection and prescribed her a course of antibiotics. Ms. ABC took the 7 days of antibiotic therapy, but she is now
back at her doctor's office with a yeast infection and diarrhea. Explain, why Ms. ABC developed the sinus infection. Then
explain why she developed a yeast infection and diarrhea after the course of antibiotics
Answer:
Antibiotics killed the bacteria that cause infection but they can also kill beneficial bacteria . thus Ms ABC developed a yeast infection and diarrhea after course of antibiotics because antibiotics distrub natural balance of beneficial bacteria in her intestine.
Ms. ABC developed a yeast infection and diarrhea after the course of antibiotics because the exposure to antibiotics may kill beneficial bacteria which prevent other diseases to occurs in the body.
What is an Antibiotic?Antibiotics may be defined as a type of medicine that significantly inhibit the growth of microorganisms especially bacteria inside the body of living organisms. Such type of antimicrobial substance may either kill or inhibit the growth of bacteria.
It is the most prevalent kind of antibacterial agent for conflicting bacterial infections, and antibiotic medications are tremendously utilized in the treatment and prevention of such infections.
With the effect of antibiotics, beneficial bacterial species that are living in the intestine may also be killed. Due to this, Ms. ABC becomes susceptible to other types of infections like yeast and diarrhea.
Therefore, exposure to antibiotics may significantly kill beneficial bacteria which prevent other diseases to occurs in the body.
To learn more about Antibiotics, refer to the link:
https://brainly.com/question/7385027
#SPJ2
Read the passage. Then, use what you know about how populations affect one another during ecological succession to explain what happens on an empty lot.
Imagine what happens in an empty lot that has been cleared of all living things. As in a garden that is no longer planted, only soil remains. Weeds begin to grow in the soil. At first, only plants that need full sun to sprout grow there. But over time, these plants grow taller and shade the ground. Then, a different kind of plant begins to grow there, one that grows only in shady areas. Eventually, the lot is covered in mostly plants that sprout in shade.
Please help!
There is a population of alien dogs, species Dogus Cute-ee-us, that live on the planet Woof. Their genomes and biology are amazingly identical to the genomes and biology of earth dogs. Consider a di-hybrid cross, where the first locus has alleles A and a, and second locus has alleles B and b. Each additional copy of either an A or B allele in the two-locus genotype increases the friendliness of the dog. Friendliness is measured by the Wilcoxon-Canus Amicus Diagnostic Scale (WCADS). There are five categories:
0 = Unfriendly/Loner (although not aggressive);
1 = Somewhat friendly/shy;
2 = Friendly;
3 = Very friendly;
4 = Maximally friendly.
For example, an alien dog with a two-locus genotype of Aabb would have a Somewhat friendly/shy behavior, since there is one copy of A and zero copies of B, adding to a score of 1 for the WCADS. Similarly, an alien dog with a two-locus genotype of AaBB has a Very friendly behavior (one copy of A + two copies of B = three copies total of A or B).
In the following mating: AaBb x AaBb, what is the expected ratio of Maximally friendly:Very friendly:Friendly:Somewhat friendly:Unfriendly alien dogs in the offspring, assuming the parents produce a very large litter?
a. 0:1:1:1:0
b. 1:2:3:2:1
c. 1:4:6:4:1
d. 9:3:3:1
Answer:
c. 1:4:6:4:1
Explanation:
The term quantitative heritability refers to the transmission of a phenotypic trait in which expression depends on the additive effect of a series of genes.
Polygenic heritability occurs when a trait results from the interaction of more than one gene. And these genes can also have more than two alleles. The action of many genes and alleles can cause many different combinations that are the reason for genotypic graduation.
Quantitative traits are those that can be measure, such as longitude, weight, eggs laid per female, among others. In the exposed example, the measurable trait is the dog´s friendliness. These characters do not group individuals by any precise and clear categories. Instead, they group individuals in many different categories that depend on how the genes were intercrossed and distributed during meiosis. The result depends on the magnitude in which each allele contributes to the final phenotype and genotype. When they interact, they create a gradation in phenotypes, according to the level of contribution.
In the exposed example, each dominant allele contributes with a higher level of friendliness.
aabb → 0 = Unfriendly/Loner (although not aggressive); Aabb, aaBb → 1 = Somewhat friendly/shy; AAbb, AaBb, aaBB → 2 = Friendly; AABb, aABB → 3 = Very friendly; AABB → 4 = Maximally friendly.Cross: between two dihybrid friendly dogs
Parentals) AaBb x AaBb
Gametes) AB, Ab, aB, ab
AB, Ab, aB, ab
Punnett square) AB Ab aB ab
AB AABB AABb AaBB AaBb
Ab AABb AAbb AaBb Aabb
aB AaBB AaBb aaBB aaBb
ab AaBb Aabb aaBb aabb
F1) 1/16 AABB ⇒ 4 = Maximally friendly
4/16 AABb + AaBB ⇒ 3 = Very friendly
6/16 AAbb + AaBb + aaBB ⇒ 2 = Friendly
4/16 Aabb + aaBb ⇒ 1 = Somewhat friendly/shy
1/16 aabb ⇒ 0 = Unfriendly/Loner
The Phenotypic ratio is 1:4:6:4:1
5. An insect population grows exponentially until an early winter freeze kills almost all the insects the next spring population
grows exponentially again this type of population growth is known as
A. rolling curve.
B. boom and bust.
O C. population boom.
D. exploding population.
Answer:
The answer to this question is B
Select all the correct
Images.
Select the atomic models that belong to the same element.
Answer:
Theres no image
Explanation:
During DNA replication, if a portion of the original strand is CTGACTT, then the new strand will be
O GACTGAA
TTCAGTC
AGTCTGG
GACUGAA
Answer:
GACUGAA
Explanation:
it's the opposite letters
The power in our homes and buildings cycles at a frequency of 60Hz. If someone accidentally dropped a power line into a holding tank for frogs their muscles would immediately become stiff. This is because the high frequency stimuli is causing:_______
a. rigor mortis.
b. tetanus.
c. fatigue.
Answer:
a. rigor mortis.
Explanation:
Electricity refers to the power generated from various power sources or power plants such as hydroelectric, wind turbine, solar, nuclear, etc.
Generally, the power supplied to homes, offices and buildings cycles at a frequency of 60 Hertz or 50 Hertz depending on the parameters chosen in countries. If a power line is dropped accidentally into a holding tank for frogs, it would immediately cause their muscles to become stiff due to the current flowing through the power line i.e because the power line is energized and has electrons moving across its terminals. This stiffness is because the high frequency stimuli is causing rigor mortis.
What type of plants commonly grows in the lower biomes of a mountain? (1 Punto)
Answer:
Alpines, Mosses, Lichens etc
Explanation:
These type of plants survive in very harsh conditions in which the mountain regions are associated with.
The conditions include a higher degree of temperature, little or no amount of soil particles, dryness and a very low degree of nutrients available to them which makes their growth usually stunted when compared to plants in other regions.
Pls help me awnser these questions guys
Answer:
I cant really see the questions....
Explanation:
As the level of Carbon Dioxide in the atmosphere increases, how will (is) primary productivity impacted? How does this impact populations of primary consumers?
Answer:
Rising atmospheric carbon dioxide (CO2) and nitrogen (N) deposition increase directly the resource availability to plants, and can increase plant growth and net primary productivity (NPP; Norby et al., 2005).
Net primary productivity varies among ecosystems and depends on many factors. These include solar energy input, temperature and moisture levels, carbon dioxide levels, nutrient availability, and community interactions (e.g., grazing by herbivores) 2.
Explanation:
Primary producers capture light from the sun and carbon dioxide from the environment and finally transform it into energy.
What do you mean by Net primary productivity (NPP)?Net primary productivity may be defined as the amount of matter accumulated by plants per unit area in a given time.
Primary productivity depends on photosynthesis, where carbon dioxide gets converted to energy. If the level of Carbon Dioxide in the atmosphere increases, the photosynthesis rate increases, and finally the primary productivity increases.
Therefore, Primary producers capture light from the sun and carbon dioxide from the environment and finally transform it into energy.
To learn more about Primary productivity, refer to the link:
https://brainly.com/question/16129377
what is the relation between chromatin ,dna,gene,chromosome?pls answer in simple words
Answer:
The main difference between chromatin and chromosome is that chromatin consists of the unravelled condensed structure of DNA for the purpose of packaging into the nucleus whereas chromosome consists of the highest condensed structure of the DNA doublehelix for the proper separation of the genetic material between
HELP ASAP
Which of the following is an example of homeostasis?
Q. During a time of high stress, Justin's heart races, his muscles tense, and he feels
sweat dripping down his forehead.
R. Sick with the flu, Alison's body temperature rises to fever levels.
S. Boris doesn't drink very much water one day. To compensate his kidneys remove less
fluid from his blood, and produce less urine than normal.
T. As Grace races up the ten flights of stairs to her apartment, the muscle cells in her
legs produce excess lactic acid, causing a burning sensation in her legs.
Answer:
The correct answer is Boris doesn't drink very much water one day. To compensate, his kidneys remove less fluid from his blood and produce less urine than normal
Hope this helps :)
Explanation:
Name the type of energy lost by the water
An S-shaped pattern formed when a stream flows through channels is called
Answer:
meander
Explanation:
A meander is a series of regular sinuous curves in the channel of a stream/river/watercourse, thereby forming a rounded or "S"-shaped bend curve. Meanders are common in alluvial areas that have low gradients, where they are formed by the dynamics of the watercourse. The meander belt is the zone within which a meandering watercourse occupies on its floodplain. The sinuosity is a measure to calculate the degree of meandering in the channel of a watercourse.
define the process of photosynthesis
Answer:
The process by which the green plants prepare their food in presence of sunlight , water and carbon dioxide is called photosynthesis.
During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
Tectonics plates float on the ?
A.outer core
B.inner core
C.mantle
D.lithosphere
Answer:
I think mantle
Explanation:
Answer:
Mantle
Explanation:
The rocky surface floats slowly on the mantle.
Brainliest please :)
Which of the following is not a kingdom of
life?
Question is not complete....
What is the main function of the organs shown
Answer:
In an organ, different tissues work together to carry out a particular function. These are the main organs, as well as their primary function: The brain controls thoughts, memory and other organs. The heart pumps blood around the body.
Explanation: