Answer:
The significance of AUG codon is that it signals the ribosome to start translation.
Explanation: Codons are three nucleotides sequence found on the mRNA strand that codes for a specific amino acid. There are 64 codons, one is the start codon, three are stop codons while 61 codes for twenty amino acids. AUG is the start codon which signals the ribosome to start protein synthesis. The AUG codon also codes for amino acid methionine.
Suggest why carbohydrates such as bread should be wholegrain if possible.
Answer:
Carbohydrates are in everything, they are an essential energy in the Human Body
So your best guess/answer should be that you can switch to wholegrain, and in other words. This is basically things like Wheat bread.
Explanation:
And here's your why. The less carbohydrates you consume, the less you have to worry about excessive weight loss.
Whole grain breads should be preferred whenever possible because they are a good source of complex carbohydrates, provide more fiber and nutrients, and have a lower glycemic index compared to refined carbohydrates.
Explanation:Whole grain breads should be preferred whenever possible because they are a good source of complex carbohydrates. Complex carbohydrates provide more fiber and nutrients compared to refined carbohydrates found in white bread.
For example, a slice of whole grain bread has about 15 grams of carbohydrates, while a slice of white bread has about 12 grams. Whole grains also have a lower glycemic index, which means they are digested more slowly and provide a steady release of energy throughout the day.
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2.
Sex cells are produced during the process of (2 points)
synthesis
replication
mitosis
meiosis
A complete copy of a person's genes is
found in each of a person's
(1) body cells
(2) traits
3) alleles
4) molecules
Answer:
(2)traits
Explanation:
As the human population grows, some minerals in everyday products could become scarce. Which of the following is the best way to address this problem?
A. Move human communities to uninhabited areas.
B. Explore uses of more plentiful minerals.
C. Use more energy to locate existing minerals.
D. Construct more and larger-sized landfills.
Answer:
B. Explore uses of more plentiful minerals
Explanation:
The correct option is B.
Why is exploring minerals important?Exploration is an important step in finding minerals so they can be potentially mined. Our demand for minerals is increasing, for example, we need more copper to build renewable energy assets such as wind turbines. This demand is helping drive an increase in exploration across the state.
What are the main uses of minerals?They are used in the manufacture of concrete, bricks, and pipes and in building houses and roads. Industrial minerals are non–metallic minerals used in a range of industrial applications including the manufacture of chemicals, glass, fertilizers, and fillers in pharmaceuticals, plastics, and paper.
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Which phrase describes a population?
an area characterized by a group of plants and animals
a nonliving factor in an organism’s environment
all the organisms that interact in a lake
all the gray squirrels that live in a forest
Answer: all the gray squirrels that live in a forest
Explanation:
A population refers to the total number of organisms of the same species living and breeding together in a given area.
Thus, since the gray squirrels all belong to the same specie and live in a given area called forest - population is best described by the phrase "all the gray squirrels that live in a forest"
Answer:
all the gray squirrels that live in a forest
Explanation:
I took the test :)
Please help asap, BRAINLIEST
1)Which term best names the process that causes the removal of material by moving water, ice, and wind?
a)porosity
b)permeability
c)sedimentation
d)erosion
2)A scientist describes the topography of the land as being of the karst type.
Which process has caused the formation of this topography?
a)sedimentation
b)erosion
c)uplift
d)deposition
3)Which term refers to a landslide?
a)mass wasting
b)pollution
c)cave formation
d)sedimentation
4)Which age of river is usually slow and meandering?
a)middle age
b)mature
c)new
d)youth
5)Which term describes a region with limestone that has caves and associated surface features?
a)mass wasted
b)pocketed
c)karst
d)eroded
the answer to number 1 is D erosion
Final answer:
D) Erosion is the process that causes the removal of material by moving water, ice, and wind. The formation of karst topography is caused by chemical weathering of limestone underground. A) Mass wasting refers to a landslide. A B) mature river is usually slow and meandering. A region with limestone that has caves and associated surface features is called C) karst.
Explanation:
1) The term that best names the process that causes the removal of material by moving water, ice, and wind is erosion. Erosion is a mechanical process driven by water, gravity, wind, or ice that removes sediment from weathering. It is the principal agent of erosion.
2) The process that has caused the formation of karst topography is chemical weathering of limestone underground and the action of gravity forcing the overlying earth to fill in the void. This leads to the landscape appearing pockmarked.
3) Mass wasting refers to a landslide. It is the movement of rock, soil, or other materials downslope due to the force of gravity. A landslide is an example of mass wasting.
4) The age of a river that is usually slow and meandering is the mature age. A mature river has a lower gradient and its flow is slow, causing it to meander.
5) The region with limestone that has caves and associated surface features is known as karst. Karst topography is characterized by limestone dissolution, resulting in caves and sinkholes.
Which statement most completely describes the primary role of the cell in a multicellular organism?
A. The combination of chemical functions and genetic material enable the cell and the organism to live, grow, and reproduce.
B. The collection of organelles interact with the environment to protect against environmental contaminants.
C. The internal structures provide shape and support to a variety of living organisms—both unicellular and multicellular.
D. They help scientists classify all living organisms by the types of cells they are made of.
Answer:
A
Explanation:
Since we know that the multicellular organism has the basic roles of living,growing and reproducing its genetic matieral enables it to do each of the following.
6. How is a community different from a population?
A A community is a group of many different species, while a population
is made up of individuals of one particular species.
B A community is a group of similar organisms in one area; a population
is a group living in many different areas.
CA community is smaller than a population.
D A community involves only one species, while a population involves
more than one species.
Answer:
B
Explanation:
B
Most Accurate Answer There
In my opinion
Why do animals migrate?
Answer:
Some animals travel relatively short distances to find food or more favorable living or breeding conditions. Most animals migrate to breed. The Atlantic Salmon begins life in a river and migrates downstream to the ocean.
Answer:
Why do animals migrate?
There are so many reasons why animals migrate which include;
search for food
to avoid overcrowding
to avoid competition
for better environment or comfortability
Explanation:
James wants to estimate the absolute age of an animal fossil. However, test results show that the fossil doesn't contain any atoms of carbon-14.
What can James conclude about the lack of carbon-14?
I
OA. The animal, whether living or dead, never had carbon 14 in its system.
B. The animal's carbon-14 decayed long before the animal died.
C.
Finding another fossil nearby without carbon-14 will guarantee that he has matching fossils.
D.
Without carbon-14, it will be an impossible task to estimate the age of the fossil.
E. Without carbon-14, James can use relative dating to estimate the age of the fossil.
Answer:
B. The animal's carbon-14 decayed long before the animal died.
Explanation:
The absence of carbon-14 suggests that the isotopes have decayed over time, indicating that the fossil is likely older than the time frame during which carbon-14 is detectable.
Answer:
Without carbon-14, James can use relative dating to estimate the age of the fossil.
Explanation:
Organisms use nitrogen in which one of the following ways?
A)Certain bacteria living in the roots of plants convert nitrogen to a form plants
can use, and animals obtain their nitrogen by eating those plants.
B)Plants absorb nitrogen from the air in photosynthesis and add it to the sugars
they produce
C)Certain bacteria convert nitrogen to a form animals can use, Wd animals obtain
their nitrogen by inhaling this nitrogen.
D)Animals absorb nitrogen from the air they breathe and incorporate it into their
tissues
Answer:
I think it's option A
Explanation:
Nitrogen fixing bacteria such as rhizobium, which lives in the root nodules of leguminous plants, help convert inert nitrogen to ammonia. Once the nitrogen has been fixed in the soil, the plants can absorb nitrogenous compounds through their roots. The process of absorption is known as assimilation.
Besides, nitrogen can only be fixed in two ways; atmospheric fixation (involving lightening) and industrial fixation (manufacturing ammonia under high temperature and pressure). I hope this helps
Nitrogen is primarily obtained by organisms via nitrogen fixation carried out by bacteria. These bacteria convert atmospheric nitrogen into usable form for plants, and when animals consume these plants, they attain their required nitrogen.
Explanation:Organisms, both plant and animal, obtain nitrogen primarily through the process of nitrogen fixation which is carried out by certain bacteria. The most accurate among the options given is A) Certain bacteria living in the roots of plants convert nitrogen to a form plants can use, and animals obtain their nitrogen by eating those plants. This process involves bacteria transforming atmospheric nitrogen into a usable form within the soil. This nitrogen is then absorbed by plants. Animals, in turn, obtain their nitrogen by consuming these plants.
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What is the function of the immune system?
Answer: it helps with saving you form getting sick !!
Explanation:
Which characteristic is distinctive of hominids?
A.bipedal
B. jointed legs
C.backbone
Answer:
a. bipedal
Explanation:
A magnesium atom undergoes a chemical reaction in which it becomes an ion with charge 2+. This means that the atom has
changed by
A.
losing two electrons, two protons, and two neutrons
B.
gaining two protons
C.
losing two electrons
D.
losing two electrons and two neutrons
E. losing two neutrons and gaining two protons
Reset
Submit
Answer:
c
Explanation:
A magnesium atom becomes a 2+ ion by losing two electrons, maintaining the same number of protons and neutrons. This process is due to magnesium's desire to attain a stable state.
Explanation:When a magnesium atom becomes an ion with a 2+ charge, it does so by losing two electrons. The number of protons and neutrons in the atom remains the same. Therefore, the correct answer to the question 'A magnesium atom undergoes a chemical reaction in which it becomes an ion with charge 2+. This means the atom has changed by?' is option C: losing two electrons. Magnesium ion formation occurs because magnesium wants to achieve a stable configuration, and it does so by losing the two electrons in its outermost energy shell.
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Fill in the blank.
Offspring from parents with different forms of the same trait are called ________
WILL GIVE BRAINIEST
Which of the following is an example of an alternative energy source?
O A. Coal
OB. Oil
O C. Natural gas
O D. Wind
The one that is an example of alternative energy source is wind. The correct option is D.
What is an alternative source of energy?Alternative energy is referred to as the energy that is not being derived from fossil fuels and thus emits little to no greenhouse gases such as carbon dioxide (CO2).
This means that alternative energy does not contribute to the greenhouse effect, which causes climate change.
They are self-sustaining and natural, with a low or zero carbon footprint. Wind power, solar power, bioenergy, and hydroelectric, including tidal energy, are examples of renewable energy sources.
Creating energy from fossil fuels that emits no greenhouse gases and reduces some types of air pollution. Diversifying energy supplies and decreasing reliance on imported fuels
Thus, the correct option is D.
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9. Surtsey is an island located south of Iceland that was formed by a volcanic eruption. Surtsey first
appeared in the 1960s. Ecologists documented the stages of succession as found below
A. Dwarf willow trees begin to grow on the island.
B. Mosses, lichens, and plants that are adapted to be dispersed by the wind or sea and able to grow in
the sand appear on the island.
C. Vascular plants included sea lyme grass and oyster plants appear
D. The lava and sand formation that resulted from the eruption are barren with few nutrients
Write the correct order of the letters A-D above to best represent the order of succession:
Correct Order:
D. The lava and sand formation that resulted from the eruption are barren with few nutrients.
C. Vascular plants included sea lyme grass and oyster plants appear.
B. Mosses, lichens, and plants that are adapted to be dispersed by the wind or sea and able to grow in the sand appear on the island.
A. Dwarf willow trees begin to grow on the island.
Explanation:
The very first vascular plant was observed on Surtsey's northern shore in 1965 during the spring while mosses were evident in 1967 and lichens were first identified in 1970 on Surtsey lava. Plant expansion on Surtsey was carefully examined, particularly as vascular plants had much greater value in vegetation growth than mosses, lichens and fungi.But now lichens and mosses are covered in most area of the islands.Twenty species of plants were recorded at some time or another during the very starting twenty years of the island but only ten were formed in the nutritional-poor sandy soil. As birds started breeding on the island, soil conditions were improving, and more varieties of vascular plants could survive.5. If insects and birds fly from flower to flower to help with pollination, why are there not flowers of
mixed species?
Answer:
Because they are not animals
Explanation:
They are plants still living but plants
How does a change in abiotic factors influence the stability or progression of an ecosystem
Answer:
Abiotic factors of ecosystem are the non-living component such as water, air and nutrients. If abiotic factors are changed, the ecosystem is disturbed because abiotic factors are very important components of ecosystem. Without these, the ecosystem will not perish or grow. If water is removed from an ecosystem, all the organisms will be die because every living organisms needs water for their survival. If nutrients are not available, the food produce by plants is less in quantity and animals which feed on plants die because of huger.
Bacteria can be classified by shape. For the following bacteria species, give their basic bacterial shape.
Streptococcus pyogenes:____________________ Paenibacillus polymyxa:_____________________ Aquaspirillum bengal:______________________
Streptococcus pyrogenes : Round (or) Ovoid
Paenibaccilus polymyxa:
Aquaspirillum bengal: Helical
Explanation:
Streptococcus pyogenes are gram positive, Round shaped, Anaerobic growth bacteria, Non-motile bacteria.Aquaspirillum bengal is helical in shape with its composition of deoxyribonucleic acid and cytosine. It is Gram negative and chemo-organotrophic. It is also motile with the help of flagella.Paenibacillus polymyxa is also known as Bacillus polymyxa which is capable of fixing nitrogen. It is found in soil, plant tissues and marine sediments. It has a major role in forest ecosystems and potential future applications as a biofertilizer and biocontrol agent in agriculture.Final answer:
Streptococcus pyogenes is coccus-shaped, Paenibacillus polymyxa is bacillus-shaped, and Aquaspirillum bengal is spiral-shaped. There are multiple arrangements for coccus and bacillus shapes, and spiral shapes can vary, including vibrio, spirillum, and spirochete. Bacterial sizes are measured in micrometers (μm).
Explanation:
Bacteria can indeed be classified by their basic shapes, which include coccus, bacillus, and spiral.
For the species mentioned:
Streptococcus pyogenes: This species has a coccus shape, which is spherical. The prefix 'strepto-' suggests that these bacteria are often found in chains.Paenibacillus polymyxa: This species is bacillus in shape, which means it is rod-shaped.Aquaspirillum bengal: This species exhibits a spiral shape. Specifically, it belongs to the spirilla class, known for its spiral or corkscrew appearance.Additionally, cocci can have several distinct arrangements based on planes of division, including diplococcus, streptococcus, tetrad, sarcina, and staphylococcus. Bacillus shapes can also be found as single bacillus, streptobacillus, or coccobacillus. The spiral form includes variations such as vibrio, spirillum, and spirochete. Finally, the size of these bacteria is typically measured in micrometers (μm), which is one millionth of a meter (10-6).
Explain why scientists must use only certain enzymes when
inserting or removing a defective gene from a cell
Certain enzymes will splice out only the target gene and different enzymes will cut DNA at different locations.
Explanation:
Removing or inserting defective genes and replacing the defective one with the normal one is one of the genetic engineering technique that helps in curing the disease and improving the health status.
When inserting or removing any defective gene, we have to be careful in using the enzymes that would help in splicing out only the targeted gene. If wrong enzymes are used there are chances that it may cut out the normal gene.
Initially, the gene that has to be modified or removed or inserted is chosen and then it is isolated in a matching vector. Finally, it is inserted or removed from the host cell.
Why are producers an essential component of an ecosystem
Answer:
Producers are an essential component of an ecosystem because they create food from inorganic matter for the consumers to eat. Plants like lichens and algae are key producers that convert water, sunlight, and carbon dioxide into carbohydrates. If not for producers, the consumers probably would not have as much or any food to eat!
Explanation:
Producers are essential in an ecosystem because they convert sunlight into food through photosynthesis, provide energy for other organisms, and release oxygen as a byproduct.
Explanation:Producers play a vital role in an ecosystem. They are organisms that can convert sunlight into food through the process of photosynthesis. This ability allows them to create their own energy-rich molecules, such as glucose, which serve as the basis of the food web.
Producers form the foundation of the food chain as they are the primary source of energy for other organisms. Herbivores, such as rabbits, rely on producers for sustenance, and carnivores, like wolves, depend on herbivores. Without producers, the energy flow in the ecosystem would be disrupted, resulting in the collapse of the food web.
In addition to providing energy, producers also release oxygen during photosynthesis, which is essential for the survival of many organisms, including humans. Through this process, they help to maintain the balance of carbon dioxide and oxygen levels in the atmosphere.
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For each of the following examples, select the type of measurement error that best describes what went wrong. Barney measured a tree branch to be 25 cm in diameter. He wrote “25 mm” in his results. Camille was excited when the new instrument showed up at the lab. She opened it up and started using it right away. Neville pulled out the bathroom scale to measure the mass of the chemicals he needed.
Different types of measurement error is described below
Explanation:
1.Barney measured a tree branch which is 25cm in diameter.But in his results he has written 25mm which is wrong.As 25cm and 25mm is not same.25cmm=250mm.As we knwo that 1cm=10mm so 25cmm =25x10mm which is 250mm.
2.Camille was excited when new instrument is showed up at the lab.This is wrong because new instrument is first set up after set up it is tested then we can start work in this instrument.
3. Neville pulled out the bathroom scale to measure the mass of the chemicals he needed it is correct Bathroom scale is used to measure the mass of the chemicals.
The question involved measuring errors in three different cases. Barney's mistake represents a recording error since he used the wrong unit in his recording. Camille's error is classed as an instrument error due to her not calibrating or properly understanding the new instrument. Neville made an instrumentation error by using an unsuitable instrument for the task.
Explanation:In each of these situations, measurement errors have occurred due to various reasons.
1. Barney's case involves a recording error. He used the wrong unit (mm instead of cm) in his recording. To avoid such errors, always double-check the unit of measurement being used.
2. Camille experienced an instrument error. She used a new instrument without calibration or familiarizing herself with it. It is always crucial to ensure that measuring instruments are properly calibrated and the user is familiar with its handling.
In the case of Neville, he used an inappropriate instrument i.e., a bathroom scale, to measure the mass of his chemicals. This could lead to substantial instrumentation errors as bathroom scales are designed to measure much larger weights and may not provide accurate readings for small quantities. Always use the most suitable tool for the task.
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each box inside a punnett square represents one ?
Answer: The each box of punnet square represents the possible outcome of the genotype of the offspring's.
Explanation: In each box there is result of cross between maternal and paternal alleles. It represents the possibility of genotype of offspring's.
Answer: one of the possible genotypes of the offsprings.
Explanation: A punnett square is a diagram that is used to determine the probability that an offspring of a cross between two organisms will have a particular genotype. It shows the possible genotypes of a cross between two organisms. In writing a punnett square, the genotypes of the parents are written one on the top of the square and the other on the left side of the square. The genotypes of the offsprings are written in the boxes.
It the wheat plants died, the population of mice would most likely
Decrease
Increase
Remain the same
HELP ASAP
If the wheat plants died, it would most likely have decrease. Hence the correct option is A.
Wheat is a common food source for mice, and its availability plays a crucial role in supporting their population. If the wheat plants died and were no longer available as a food source, the mice would likely experience a decrease in their population. The decrease could occur due to a lack of food resources, leading to competition, starvation, and reduced reproductive success.
Food scarcity: With the absence of wheat, mice would struggle to find an alternative food source that could sustain their population adequately. The reduced availability of food would lead to increased competition among mice, making it harder for them to find enough nutrition to survive.
Reduced reproductive success: Inadequate food supply can have a direct impact on the reproductive success of mice. When food is scarce, mice often experience decreased fertility rates, lower survival rates of offspring, or even delayed sexual maturity. These factors can result in a decline in the overall population growth rate.
Hence the correct option is A.
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The taxon that consists of one or more genera (plural form of genus) is the
The taxon that consists of one or more genera (plural form of genus) is the family.
Explanation:
According to the modern taxonomic classification system, there are eight major levels of division – Domain, Kingdom, Phyllum, Class, Order, Family, Genus, and Species.
Family is the taxonomic order which comes next to the Order and before Genus and consists of one or more genus or genera but sharing a common attributes. The ancestral origin of the family members remains the same.
The kinds of families depend upon the Kingdoms and Orders in the taxonomy. Carl Linnaeus termed family as familia in his classification and divided the major plant groups or families as trees, palms, ferns etc.
Among the family of carnivores in animals, there are many genera like Canidae, Felidae Ursidae etc.
Answer:
Family
Explanation:
4. Analyze Explain why the form of
reproduction shown in the figure below is
an advantage for the organism. Sc.7.1.16.3
Sexually reproducing organisms have the advantage of producing offspring with unique gene combinations.
Explanation:The advantage that populations of sexually reproducing organisms have over asexually reproducing organisms is the production of offspring with unique gene combinations. Sexual reproduction involves the fusion of gametes, which are specialized sex cells, from two parents. This process leads to genetic variation in the offspring, which can enhance their chances of survival and adaptation to changing environments.
Final answer:
Sexual reproduction is beneficial because it leads to genetic diversity and evolutionary flexibility, allowing populations to better adapt to environmental changes and challenges.
Explanation:
Sexual reproduction offers several evolutionary advantages over asexual reproduction, despite the apparent benefits of asexual reproduction like not needing to find a mate and the ability to grow populations rapidly.One major advantage is genetic diversity, which results from the unique gene combinations of offspring. This diversity allows populations to adapt to changing environments and may enhance survival when facing diseases, parasites, and environmental changes.Sexual reproduction also involves three different life-cycle strategies, each promoting variation among offspring.The potential for diverse and adaptable traits through sexual reproduction indeed points to an inherent evolutionary strength. Moreover, even though producing genetically identical offspring through asexual means could be straightforward for survival in stable conditions, the dynamic nature of ecosystems often favors the evolutionary flexibility provided by sexual reproduction.Tropical rainforests are sometimes cleared to make crops. These crops include plants that produce vegetable oils, such as palm oil. However, deforestation leads to great loss of biodiversity. A group of concerned scientists devised two possible solutions to the problem. The best solution will spare additional rainforests from clear-cutting and still provide local communities with a source of income.
Solution 1: Businesses buy oils only from certified deforestation-free areas. Oil producers use better management practices on non-forest land to increase crop yields.
Solution 2: Businesses switch to other types of vegetable oils that do not cause deforestation. For example, plants, such as corn and sunflowers, are grown in a grassland ecosystem.
Identify the best solution, and explain why the solution meets the criteria of the problem.
Answer:
Solution 2: Businesses switch to other types of vegetable oils that do not cause deforestation. For example, plants, such as corn and sunflowers, are grown in a grassland ecosystem.
Explanation:
The second solution suggested will create a win-win palliative for the locals and the forest they are cutting down.
Let us analyze this solution;
Problem ; Deforestation owing to growing of crops
Growing of corn and sunflowers does not affect the forest in an area. To grow these crop species, clear cutting might not necessarily be carried out. The vegetable oil will provide the farmers with an alternate source of income. The forest will then be preserved.The first solution takes the business away from the local area and the farmers will lose.
3. How can overgrazing reverse the succession of a grassland ecosystem? –
Over grazing can easily reverse the grassland succession.
Explanation:An ecological succession is defined as the process of nature undertaking a barren land that was previously not suitable for any life. This process requires time. Here the lichens and fungi first breaks the rocks and produces some humus after death that can be used by other plants whose seeds are brought by wind or birds and they germinate to form the new ecosystem.
Now overgrazing kills the newly formed plants. And the humus content also gets reduced because of the unavailability of the organic matter over the place. So overgrazing will kill these plants and again reverse back the succession to previous forms.
can plzzz
put the explanations was to why one is correct and why the others are wrong
Hi there!
Question 15:We can see from the graph the spikes during the dry years in beak size, which happen every single time there is a dry year. We can then reasonably infer that this would happen with an extended period of drought, however more significantly as well.
This makes your answer B, the birds with larger beaks would be more numerous.
Looking through the other answer choices - A is incorrect, as just stated above the larger ones would likely become more numerous. C is also incorrect, as we can see from the graph during dry years it does influence ground finches. Finally, D is also incorrect, as we can see the average obviously moving upwards to those with bigger beaks.
Question 16:
We are given that during dry years, the finches eat larger seeds as the smaller seeds are less abundant. This means that those finches with larger beaks would have an advantage for survival, as it is easier for them to eat these larger seeds compared to those with smaller beaks. This then means that more and more finches with larger beaks would survive, making the overall population have larger beaks over time.
This makes your answer C, different adaptations gave some birds a better chance for survival.
Looking through the other answer choices - A is incorrect, as they cannot just decide to acquire larger beaks. B is incorrect, as mutations do not just happen and cause such a big shift, and in an efficient direction (most mutations end up not affecting the animal at all. Finally, D is incorrect, as I don't think beaks have the capability of getting larger as they are exercised more.
Hope this helps! Feel free to let me know if you have any additional questions about this specific problem.