The graphs here show the distribution of beak depths for the ground
finches on Daphne Major, an island in the Galapagos. The bird beaks were
measured over a multi-year study, including a time period before and after
a drought. The drought reduced the supply of seeds and left most of the
seeds as thick-walled nuts that survived the drought. Analyze the data and
select the claim about natural selection and genetic diversity that is
supported by the data.

Natural selection tends to reduce genetic variation, as there was a smaller distribution
of beak depths, but it tends to select for the most fit phenotypes, as there was an
increase in average beak depth after the drought.

Natural selection tends to increase genetic variation, as there were more ground
finches after the drought, and it tends to select for the most fit phenotypes, as there
was an increase in average beak depth after the drought.

Natural selection tends to reduce genetic variation, as there was a smaller distribution
of beak depths, but it tends to select against the most fit phenotypes, as there was an
increase in average beak depth after the drought.

Natural selection tends to increase genetic variation, as the average beak size
increased after the drought, but it tends to select against the most fit phenotypes, as
there was a decrease in population size for the finches after the drought

Answer: (A) Natural selection tend to reduce genetic variation as there was a smaller distribution of beak depths, but it tends to select for the most fit phenotypes, as there was an increase in average beak depth after the drought.

Explanation: The picture below shows proof if needed. On USATP

Natural selection tend to reduce genetic variation as a smaller allocation of beak depths, but it tends to select for the most fit phenotypes, as an increase in average beak depth after the drought.

Genetic variations that vary gene and protein role.

If a trait is favourable and helps the someone survive and breed, the genetic variation is more likely to be passed to the next generation.

Thus, option "A" is correct by selecting for or against a specific gene.

To learn more about  Natural selection click here:

https://brainly.com/question/9830102

In order to conserve resources, Evelyn uses her old homework as scrap paper
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What kind of conservation is Evelyn practicing?
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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:_______

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b. tetanus.
c. fatigue.

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Robert Koch
Anton van Leeuwenhoek
Louis Pasteur
Alexander Fleming

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(b) Type A mother, Type AB father

(c) Type AB mother, Type AB father

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Lab: Interdependence of Organisms

Interdependence Of Organisms

Question Being Answered:

How can the presence of one species benefit another in the same ecosystem?

Hypothesis:

If plants grow in soil that contains worms the plants growth will be greater because worms are able to help decompose organic matter and help distribute it through the soil in a form plants are able to use.

Process Of Lab:

In this lab you will grow two different groups of plants. Group A is considered the experimental group which will grow in soil with worms, Group B is considered the control group which will grow in soil without worms. After the plants grow you have to measure the plant growth for both groups and compare them.

Independent & Dependent

Independent Variable: Presence Of Worms

Dependent Variable: Plant Growth

Safety Procedure

Be sure to follow the safety procedure which means to

Wear safety goggles and lab gown while doing the experiment

Keep lab behavior purposeful

Look over the soil contents and make sure to follow warnings provided on any equipment

Wash hands and lab equipment once done with experiment

Treat living organisms with respect and provide proper care

Report any accidents that happen in the lab to your teacher

Lab Procedure

Step 1: Gather Materials

Two trays that are 10 cm 4’ deep

Potting soil

Lima bean seeds which need to be soaked overnight

Location with sunlight or growth lights

Worms

Graduated cylinder

Water

Black marker

Ruler with metric markings

Step 2: Prepare Two Trays Of Lima Bean Plants

Label the trays Control Group and Experimental Group

Add approximately 6-7 cm of soil to each tray

Plant 6 lima bean seeds in each tray being 2 cm deep and label the plants 1-6

Step 3: Give The Plants Water And Light During Sprouting Time

Keep the environments for both groups identical

Water all the plants following the watering schedule that was recommended on the seed packaging

Use the graduated cylinder to ensure the same amount of water is being given to both groups

Make sure all plants get the same amount of light

Step 4: Measure The Heights Of The Plants At The End Of Week 1

Measure the height of all twelve plants to the nearest cm. If a plant dies mark an x on the data table for that plant and write it in your notes

Use a calculator to find the average heights of the living plants in each groups

Calculate the difference in those average heights by subtracting the average height of the plants in the control group. Use this difference as a basis for comparison

Record measurement observations in your notes and the health of the plants such as leaf colors and size, wilting, unusual growth, brown spots, and any other marks you see

Step 5: Add Six Worms To The Soil Of The Experimental Group Of Plants

Write descriptive notes about the condition of the worms in your notes

Step 6: Measure The Heights Of The Plants At The End Of The Week 3

Repeat step 4

Step 7: Measure The Heights Of The Plants At The End Of Week 5

Repeat step 4

Step 8: Check The Health Of The Worms At The End Of The Study

Are the worms still alive?

Do they all seem healthy?

Have they changed in any way? If so list the ways changed

Are there any new worms

Be sure to write descriptive notes about their conditions in your notes

Step 9: Dispose Of All Material According To The Directions From Your Teacher




Week 1 (Before Adding Worms)

Week 3

Week 5

Plant 1

10cm

22cm

49cm

Plant 2

9cm

23cm

47cm

Plant 3

8cm

20cm

49cm

Plant 4

9cm

22cm

50cm

Plant 5

10cm

22cm

47cm

Plant 6

8cm

23cm

52cm

Control Group Average

9cm

22cm

49cm

Plant 1

8cm

24cm

50cm

Plant 2

9cm

28cm

60cm

Plant 3

8cm

26cm

49cm

Plant 4

8cm

25cm

53cm

Plant 5

8cm

27cm

58cm

Plant 6

7cm

26cm

60cm

Experimental Group Average

8cm

26cm

55cm

Difference In Average Heights

-1cm

4cm

6cm

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A population of drosophila flies lives in a forest and has variation in their egg-laying behavior. The majority of the flies have the trait of laying eggs in the rotting bark of trees. A small percentage of the flies have the trait of laying eggs in bark that is dampened by sap. The drosophila population moves into a new forested area that is drier, where rotting bark is harder to find than sap. How will the population change over several generations

The most complex organic
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Which action could humans take to slow the rate of
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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!

F-R-E-E P-O-I-N-T-S FOR EVERYONE

What is one example of the many
things that is necessary for a stable
ecosystem?
A. Equal number of predators to prey
B. Energy Capture
C. A high ratio of omnivores

PLEASE ANSWER ASAP

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Please answer fast ASAP I give you brainliest



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The assistant strength and conditioning coach for a small college works with athletes in all sports. With only two lifting platforms and four squat racks, space is limited and training sessions are chaotic. Morning and early afternoon hours are the low-activity times of the day. At 3 p.m., student-athletes fill the room beyond capacity, making individualized instruction and room supervision difficult. What steps should the assistant strength and conditioning coach take to properly address these concerns?