Question

Why did the population of skipper butterflies end up becoming more red butterflies?

Answer 1

The correct answer is Option C

When the birds moved into the field, they changed the environment and selected the blue butterflies.

After selecting the blue butterflies, birds started eating the blue colored butterflies and their population reduced.

The red colored butterflies were left and  reproduced and increased in number.

Answer 2

C. When birds moved into the field, they changed the environment and selected against the blue butterflies