After which event would you say that evolution has occurred?

(A)
An animal's white winter coat is replaced by a darker coat in the spring.

(B)
An allele frequency in a population changes over time.

(C)
A new predator comes into an environment

(D)
An individual is born with six fingers on one hand instead of five.

A)

An animal's white winter coat is replaced by a darker coat in the spring.

Explanation: why bcz i said so

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.