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

Question

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

aaronq · Answer

Individual variation would have to do with the same type of organism, the only option that compares individuals of the same population is: Brightly colored cardinals are better able to survive and to reproduce than darker cardinals.

anonymous · Answer

Brightly colored cardinals are better able to survive and to reproduce than darker cardinals.