1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
professor190 [17]
3 years ago
9

Based on what you know about natural selection, which of the following must be true if evolution is the explanation for what the

Grants have observed over time on Daphne? Select all that apply.
Food must be plentiful for all birds.
Beak depth and length must be heritable.
Beak depth and length must show variation among individuals of a single species.
Beak depth and length must affect survival and/or reproduction of birds.
Over time, individuals can evolve to better fit the environment by changing heritable traits.
The beaks of individual birds can change depending on what food is available.
Biology
1 answer:
igor_vitrenko [27]3 years ago
8 0

Answer:

The Grants's research shows that variation  within species increases the likelihood of the species' adapting to and surviving the environmental change.

Explanation:

The beaks of individual birds can change depending on what food is available.

Over time, individuals can evolve to better fit the environment by changing heritable traits.

Beak depth and length must affect survival and/or reproduction of birds.

 Beak depth and length must be heritable.

Beak depth and length must show variation among individuals of a single species.

You might be interested in
The degradation of the environment from litter is a A. a negative externality. B. free rider problem. C. Tragedy of the Commons.
AlekseyPX

Answer:

D. Both a and c are correct.

Explanation:

The tragedy of the commons is a situation in a shared-resource system where individual users, acting independently according to their own self-interest, behave contrary to the common good of all users by depleting or spoiling the shared resource through their collective action.

It damages our environment (plants, animals) and impacts local tourism. It is smelly and dirty, and carries germs, bacteria and viruses. Places with a high degree of littering see a decreases in property values, and are more likely to be the site of fires.

Pollution is a negative externality. Economists illustrate the social costs of production with a demand and supply diagram. The social costs include the private costs of production incurred by the company and the external costs of pollution that are passed on to society.

Blowing litter can cause automobile accidents as well as land and air pollutions

7 0
3 years ago
Negative feedback:If oxygen levels are low,then respiration should <br>A. Increase <br>B. Decrease​
arsen [322]

Answer:

increase..................

8 0
2 years ago
Louis Pasteur contributed all of the following to Germ Theory EXCEPT
motikmotik

microbes made beverage and food go bad

7 0
3 years ago
____.which covers most of the axon, is important because it ____z
Arlecino [84]
The myelin sheath covers most of the axon. It is important because it helps to protect the axon and speed up the neuron firing process by decreasing the amount of time in the axon.
4 0
3 years ago
Stacey wants to know if plants have the same phototrophic reaction from artificial light as they do from natural light. Using st
joja [24]

Scientific method includes some steps that are necessary for conducting the successful experiment.

1. Make an observation

You observe the growth of the plant under the influence of light (phototropic effect) and you notice that some plants successfully grow under artificial light. You want to compare that growth with growth under the sunlight.

2. Ask a question

How does the light influence plant growth?

Are the wavelengths of the light important?

Is natural light source (sun) better for plant growth...

3. Form a  hypothesis - it is a testable potential answer to the question

For example: Sunlight induces higher phototropic reaction.

4. Make a prediction

Sunlight is richer in red and blue hues which are both extremely important to plant growth.  

5. Test the prediction

Design an experiment by putting one pot with beans outside on sunlight and other under the light bulb. Other conditions such as water must be the same. Monitor their growth for about 2 weeks and measure the results.

6. Analyze the data and make a conclusion.


8 0
3 years ago
Other questions:
  • Which two microscopes generate three-dimensional images?
    14·1 answer
  • Types include cumulus, stratus, and cirrus
    9·1 answer
  • The leaf shown has a color pattern of green and white
    7·2 answers
  • In what plant structures does photosynthesis occur?
    6·1 answer
  • Explain why glyphosate works faster in the summer after rain than after two weeks without rain.
    14·1 answer
  • What is keratinization
    12·1 answer
  • The field of vision of this microscope is brightly illuminated and used for most microscopic work
    15·1 answer
  • we eat 3 slices of bread with butter and 1 cup of milk . what class of food id lacking from the diet? ​
    9·1 answer
  • Crossing over is a process which contributes to diversity in offspring of an organism. Which statement
    6·2 answers
  • Meow :3 help me plsss
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!