what happened to the
beak depth of finches born in 1978 compared to those born in 1976? Explain why you
think this occurred.

Answers

Answer 1

Answer:

Why do you think the average beak depth of the birds increased?

Explanation:

Because the drought reduced the number of seeds and finches with bigger beaks were able to eat the larger and harder seeds so more of them survived.

I hope this helps!! god bless!! - Natalia


Related Questions

How are environmental issues and food production related?

Answers

Answer: Food consumption and production have a considerable impact on the environment.  Food production contributes

Explanation: , for example, to climate change, eutrophication and acid rain, as well as the depletion of biodiversity. It is also a considerable drain on other resources, such as nutrients, land area, energy, and water.

Which of the following are prokaryotic cells?

A) plants

B) fungi

C) bacteria

D) animals

E) B and C only

Answers

fungi, bacteria

If I remember right, eukaryotic means there's more than one, so I believe this answer is right

The Answer is c: bacteria

During the day when the sun is shining the ground gets warm mainly as a result of

Answers

Answer:

The ground becomes warm by the effect of sunlight.

Explanation:

This is because the sun radiates huge amount of heat from its surface. This heat reaches the earth in the form of light energy. This heat is absorbed by the earth's surface and makes it warm.

Two plants were being tested for growth. Both were given water and proper soil, etc. However, one was placed in the closet, and one was placed in the window sill. Why did the one in the closet die?

Question 4 options:

It did not have chloroplasts.


It was not around other plants.


It did not receive sunlight.


It was not around people enough.

Answers

Answer:

It did not receive sunlight.

Explanation:

Plants need sunlight to survive along with water and nutrients from the soil.

(GIVING BRAINLIEST!!)

Due to altitude, you might find snow here during the summer months.

A) By a lake
B) In the forest
C) In the ocean
D) On a mountain

Answers

Answer:

D

Explanation:

Since the temperature is colder at a higher altitide you can use that knowledge to think about how high these places are relative to eachother. You can then take the highest one for your answer

D

Higher up it is colder

A cell is placed in a hypertonic solution. Which will most likely occur as homeostasis is maintained in the cell?

A.
The cell will gain ATP molecules.

B.
The cell will gain water.

C.
The cell will lose water.

D.
The cell will lose sodium ions.

Answers

Answer:

B the cell will lose water

Explanation:

Because of the hypertonic solution water will move on the concentration gradient leaving the cell and entering the solution. Thus the cell looses water.

When a cell is placed in a hypertonic solution, it will most likely lose water (Option C) as homeostasis is maintained in the cell.

What is homeostasis?

Homeostasis is the ability of an organism or a system to maintain a relatively stable internal environment, despite changes in external conditions. It is a key aspect of biology that helps living organisms survive in their environment. Homeostasis is maintained through a series of physiological processes that regulate different aspects of an organism's biology, such as temperature, fluid balance, and pH

A hypertonic solution is one that has a higher concentration of solutes (e.g. salts) outside the cell compared to inside the cell. This creates an osmotic pressure gradient, which draws water out of the cell and into the solution in an attempt to balance the concentration of solutes on both sides of the cell membrane. As a result, the cell will shrink and lose water.

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please answer please, If we have a male hemophiliac (such as Leopold) marry a normal female, is there any way to have sons who have hemophilia? Provide a justification for your response.

Answers

Yes, hemophilia is a genetic condition, which means it can be genetically passed down to a male child, even if only one parent is a hemophiliac. The condition is also more common in male children, and is a sex-linked recessive disorder, and is carried on the X chromosome. The mother could also have the gene without actually having the disorder, so she could possibly be a carrier without knowing it, so it is possible for their son to have hemophilia, even if the dad is the only one with the gene.
Hope this helps!!

Please help it’s due in under 1 hour!!!!!
Explain how sexual and asexual reproduction both lead to better evolutionary fitness.

Answers

Answer:

Hope you get done. friend me back. and can I have brainliest

Explanation:

To get diversity in individuals, genetic differences are required, and different phenotypes must be expressed. Since sexual reproduction is more conducive to driving evolution than asexual reproduction, much more genetic diversity is available for natural selection to work on. Evolution can happen over time.

The photo shows a process called mosquito fogging.
What is one purpose of mosquito fogging?
O A To prevent people from getting stek from undercooked meat
Te treat people who have infeetiens caused by Viruses
e. Te eamy waste away from eities so people dont get siek
D. To kill insects that commonly spread diseases to people

Answers

Answer:

D. To kill insects that commonly spread diseases to people

Answer:

D. To kill insects that commonly spread diseases to people

Explanation:

Fogging is a technique used for killing insects that involves using a fine pesticide spray (aerosol) which is directed by a blower.

If the sphincter allows any leakage from the stomach, some of this acid might move back into the esophagus, causing
1. Heartburn
2. Saliva
3. Constipation
4. Diarrhea

Answers

1, heartburn. Keep stomach acid in the stomach!
Heartburn bc of the acid In your stomach

What makes echinoderms unique to all other animals? (think of systems/structures they
have that no other animal has!)

Answers

Although these spines may look like components of an exoskeleton at first glance, echinoderms do not have an exoskeleton. This is partly due to their symmetry and their spiny endoskeleton.

How does the oyster population
In the Chesapeake Bay ecosystem affect the floating to sea floor ratio of algae
populations

Answers

Answer:

Analysis of the data shows that the ratio of floating algae to sea floor algae dramatically increased at the same time that oysters were removed from the Bay. ... (It is also possible to infer from the graph that high floating algae levels led to the decline in oysters.

Answer: Analysis of the data shows that the ratio of floating algae to sea floor algae dramatically increased at the same time that oysters were removed from the Bay. ... (It is also possible to infer from the graph that high floating algae levels led to the decline in oysters.

1 point
Which explanation best identifies the relationship between mitosis and
reproduction? *
Mitosis is a form of sexual reproduction because the daughter cells form from one
single parent cell.
Mitosis is a form of sexual reproduction because the daughter cells are genetically
different from the parent cell.
Mitosis is a form of asexual reproduction because the daughter cells form a new
nuclear membrane after reproduction.
Mitosis is a form of asexual reproduction because the daughter cells are genetically
identical to the parent cell.

Answers

muscle of the prada’s

Please Helppp!!! What could lead to different populations of the same species living in different environments?

Answers

Answer: Migration, because species move to other places for food or a better or more suitable habitat and sometimes their is other species there.

Different ecological and biogeographical causes lead to different populations of the same species living in different environments. Ecological factors include intraspecific competition, migration, resource searching, habitat destruction, among others. Biogeographical dispersion involves wider areas and time factor. Human action is also a cause of dispersion.

-----------------------------------

Dispersion can be defined as the dissemination and distancing process of some individuals from others. It refers to the change in an organism's range or distribution area.

Different ecological and biogeographical processes might be involved in organisms' dispersion.

Ecological processes involve intraspecific competition for resources, habitat destruction, lack of resources -food or water-, among others. This is an intra-area, moderate dispersion that reduces competition and increases niche findings. It involves daily and seasonal migration and territoriality. Biogeographical processes refer to bigger changes that involve wider areas and time. It includes the historical factor, besides migration. This is an extra-area dispersion process.

            → Jumping dispersion refers to a few individuals, in a short time, that  can cross a barrier and occupy a new area. In this situation, the establishment is not always for sure. They must reproduce and start a new population of a certain size that can survive the new conditions.

            → Diffusion refers to populations that, through many generations, explores and expands in new regions with favorable conditions.

            → Secular migration is the diffusion through thousands of generations.

Dispersion is also caused by human actions, following different interests and goals.

When two populations of the same species migrate to new areas and adapt to different environmental pressures, they will probably suffer from the speciation process with time, becoming two different species.

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Why does mutation happen regularly? *

Answers

Answer:

Explanation:

A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke. Mutations can occur during DNA replication if errors are made and not corrected in time.

3. The picture on the right shows the sequence of nitrogen bases on part
of a DNA strand. Which string of letters below represents the nitrogen
bases in the order they would pair up with this part of the DNA strand?
A. C-T-G-C-A
B. G-A-C-G-T
C. A-G-T-A-C
(the picture is T-C-A-T-G)

Answers

Answer: C

Explanation: Thymine pairs with Adenine and Cytosine pairs with Guanine.

Please help due in 10 minutes!
Explain how genetic drift of alleles in a small population- and- describe 2 real world examples of genetic drift (I.e. The Founder Effect and The Bottleneck Effect)

Answers

Answer:A small population is formed with a larger population.

Explanation:The population don’t represent the genetic diversity’s of the original

Population, and there smaller size mean they may experience strong drift of generations.

Describe how new hair fibers are formed

Answers

Answer:

Taking nutrients from the dermal papilla, the hair bulb generates new hair cells. As these cells move up through the hair root, they mature through a process called keratinization, fill with fibrous protein and lose their nucleus.

Explanation:

I found this on the internet and don't know if it is correct but if it is can I get a brainliest please?

What happens during the pathway of glycolysis?

A. Glucose is broken down into private

B. Carbon dioxide is produced

C. More ATP is consumed than is produced.

D. Lactic acid is produced

Answers

Answer:

the correct answer is A :Glucose is broken down into pyruvate

Answer:

If I'm correct, the glucose is broken down into pyruvate and energy.

Explanation:

I hope this helps! ^^

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Does mass alone determine whether an object will float or sink? Explain

Answers

Answer:

yes because if the mass is heavy it gonna sink, if its light its gonna float

Explanation:

Why do you think it's important for scientists to study plate tectonics? Explain.

Answers

Scientists are helping to improve understanding of how rocks in Earth's hot, deep interior enable the motions of tectonic plates, which regulate the water cycle that is critical for a habitable planet.

Studying plate tectonics is important because it helps explain Earth's surface features, predict natural disasters, investigate Earth's history, explore natural resources, and understand global climate patterns. It is a multidisciplinary field that provides valuable insights into the dynamic nature of our planet.

Scientists study plate tectonics for several important reasons. Firstly, understanding plate tectonics helps scientists explain the formation of different features on Earth's surface, such as mountains, valleys, and ocean basins. By studying the movement and interactions of Earth's tectonic plates, scientists can better understand the processes that shape our planet.

Secondly, studying plate tectonics is crucial for predicting and understanding natural disasters. Earthquakes, volcanic eruptions, and tsunamis are all related to tectonic activity. By analyzing plate boundaries and identifying areas prone to seismic activity, scientists can provide early warnings and help communities prepare for potential disasters.

Furthermore, studying plate tectonics is essential for investigating Earth's history. The movement of tectonic plates over millions of years has shaped the continents and influenced the evolution of life on our planet. By examining the distribution of fossils and rock formations, scientists can reconstruct past tectonic events and gain insights into Earth's geological history.

Additionally, understanding plate tectonics is crucial for exploring natural resources. Many valuable minerals and energy resources are formed as a result of tectonic processes. By studying plate boundaries and their associated geological features, scientists can identify potential locations for mining and resource extraction.

Lastly, studying plate tectonics contributes to our understanding of global climate patterns. The movement of tectonic plates affects ocean currents, weather patterns, and the distribution of landmasses. By analyzing these interactions, scientists can better predict and understand climate change.

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How are the functions of the endoplasmic reticulum and the Golgi apparatus related? A. Golgi apparatus receives proteins and other materials from the endoplasmic reticulum, packages them, and distributes them to vacuoles. B. The nucleus directs the cell's activity, including any transfer of material between the endoplasmic reticulum and the Golgi apparatus. C. Proteins and other substances made in the endoplasmic reticulum are stored, packaged, and distributed by the Golgi apparatus. D. In order to function, both plant and animal cells require an endoplasmic reticulum and Golgi apparatus.

Answers

Answer:

Proteins and other substances made in the endoplasmic reticulum are stored, packaged, and distributed by the Golgi apparatus

which ecosystem has the greatest biological diversity and therefore the highest sustainability

Answers

Answer:

Tropical rain forests on land and coral reefs in marine systems are among the most biologically diverse ecosystems on Earth and have become the focus of popular attention.

Explanation:

definitely D because a rainforest is extremely vast when it comes to different species

Answer:

Species richness is greatest in tropical ecosystems. Tropical rain forests on land and coral reefs in marine systems are among the most biologically diverse ecosystems on Earth and have become the focus of popular attention.

1. Submit your observations of the chicken leg dissection.



2. Were you able to determine how the chicken moves?



3. What characteristics of muscles help you determine the direction of the movement?

Answers

Answer:

1. Submit your observations of the chicken leg dissection.

The first thing that I saw was the skin. This one has bumps on it. Underneath, when I carefully cut it, I could see a yellow layer which is fat. Under the fat, there is a thick pink tissue, the muscles. The muscle is in contact with the bones and attached to them by the tendons. They look thin and white and are at the muscles' ends since they attach them to the bones.

2. Were you able to determine how the chicken moves?

Yes, muscles work in pairs, so when I pull from a specific tendon, the leg bends since the muscle contracts to do this movement. Then this muscle will relax, another muscle will contract itself, and a tendon will pull the bone to return the leg to a straight position.

When one of these muscles contracts, the other relaxes to allow the bone's movement in a specific direction. Then this muscle relaxes and allows the leg's movement in the opposite direction since the muscle that was lax before now is contracting itself to extend the leg. There are a flexor and an extensor muscle.

3. What characteristics of muscles help you determine the direction of the movement?

The characteristics that help me determine the movement's direction were:

The position that the muscles have concerning the joints and the bones. The tendons at the end of the muscles and bones.

By following the muscle, the tendon, and where it is in the joint, I could determine the movement's direction.

Explanation:

When we observe a chicken leg dissection, we can determine the components that it has and how all the elements work together to move the leg. Even though the mechanism and structure are not the same as in a human body, we can see how muscles, bones, tendons, and joints work not only in animals but also in humans to allow movement.

A large group of seals from Prince Harold Coast Antarctica has emigrated to Oates Coast Antarctica How will this impact the remaining seal population Prince Hard Coast
A The Prince Harold population will decrease
B. The Prince Harold population will increase
C The Prince Harold population will be reduced to zero
DThis will have no impact on the Prince Harold population

Answers

Answer:

B

Explanation:

Because now it’s a larger group

B because it will increase

Can someone please help. Thank you!!
What specifically makes up a protein.

Answers

Answer:

The building blocks of proteins are amino acids, which are small organic molecules that consist of an alpha central carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain

Explanation:

:)

Explanation:

The building blocks of proteins are amino acids, which are small organic molecules that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain.

Put "Polygenic Traits" in a sentence

Answers

Answer:

Polygenic traits are controlled by a number of separate genes.

Hope it helps! :D

Answer:

Polygenic traits are controlled by a number of separate genes

Explanation:

Hope this helps

John Ray introduced a new method of grouping by similarities in appearance.
True
False

Answers

Answer:

true

Explanation:

Answer- True
hope this helps!!

How are gay marriaged babys made to be biological?

Answers

Answer:

if its a couple with a trans man (female to male) they can have a baby if they havent had surgery.

a trans woman (male to female) can also have a biological baby with a woman if they havent had surgery.

They could also have had a baby in a past relationship though it wont be biological to the other parent.

II. Which animal is the top predator in many wetlands?
A. Raccoons
B. Alligators
C. Snakes
D Owls

Answers

Answer:

b. n kkhghiuttyytrftghjiutew

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