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mixer [17]
3 years ago
7

A student walking at the beach notices that as he walks away from the water, his feet get hotter. Which explanation agrees with

your
experimental data?
A. Temperature should decrease farther from the water, so feet are a poor indicator of ground temperature.
B. The experimental data indicates that water and sand have similar heating profiles.
C. The sand farther from the water is drier, meaning that it will get hotter from the same amount of sun exposure.
Biology
1 answer:
hammer [34]3 years ago
4 0

Answer:

C,

Explanation:

The sand is just small rocks and pebbles broken down, we know that on a hot day rocks can heat up if left alone for long enough especially if they are dry.

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6 0
3 years ago
6. A scientist measures the circumference of acorns in a population of oak trees
melisa1 [442]

Answer:

6. 2 cm

8. Greater than 2 cm and less than 2 cm

Explanation:

Complete Question

6. A scientist measures the circumference of acorns in a population of oak trees and discovers that the most common circumference is 2 cm. What would you expect the most common circumference(s) to be after 10 generations of stabilizing selection?

-2 cm

-Greater than 2 cm or less than 2 cm

-Greater than 2 cm and less than 2 cm

-Can't tell from the information given

8. Refer to question 6, but this time answer what you would expect after 10

generations of directional selection.

-2 cm

-Greater than 2 cm or less than 2 cm

-Greater than 2 cm and less than 2 cm

-Can't tell from the information given

Solution -

6. In an stabilizing selection, the average trait of a given population is favored over extreme values. Hence, it can be said that one specific trait is over presented in a given population. For example – uniform human birth weight, number of eggs a bird lay etc.  

Here in this case if most common circumference is 2 cm , then the tree population will try to have this trait as a stabilizing trait.  

Thus, option A is correct

8. In a  directional selection, the genetic variation decreases as per the environmental change. And hence the average trait will not be selected. Instead traits either higher or lower the average values will be preferred.  

Thus, option C is correct

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3 years ago
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zubka84 [21]

Explanation:

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8 0
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Match the organelle to the description (10 points) 1: Cell membrane A. Power plants of a cell which release energy needed for ce
Andreyy89

Answer:

ribosome

a.Explanation:

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3 years ago
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