Respuesta :

josearmandosanquiz

Answer:

is the b( when the birds move into the field, they seletecd the blue butterflies)

Explanation:

the enviromental factor is a factor of the environment, so this mean that is not the butterflies itself, so a,c,d are eliminate at the time.

Furretturret
The second option is the only one that directly correlates to the environment. “When the birds moved into the field, they selected against the blue butterflies” is the correct answer.

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