Question

Variations within a species are an important part of Charles Darwin's theory of evolution. Which example can be explained by individual variation?
A. The food source in a lake is not enough to support the bass population, but it can support the trout.
B. A population of brown bears has doubled in the past 10 years.
C. Owls and foxes compete fiercely against each other for small rodents in their habitat.
D. Brightly colored cardinals are better able to survive and to reproduce than darker cardinals.

Answer 1

I think it's D.

Answer 2

@confluxepic

Answer 3

@pooja195

Answer 4

@TheSmartOne

Answer 5

:'(

Answer 6

@Data_LG2 are you good in biology? >_<

Answer 7

@Whitemonsterbunny17

Answer 8

Well, there's only one option that shows variation.
Can you guess which one it is?

Answer 9

That was my first comment :3

Answer 10

I think it's D.

Answer 11

I think you're correct. c;

Answer 12

Ok, thanks! :D

Answer 13

You're welcome!! ^.^