Ascientist studies a species of duck. the male and female are about the same size. the females are brown, and the males are a bright mix of blue, white, and green. what can the scientist conclude about these ducks?
a. the females compete for mates.
b. the males choose mates.
c. the males compete to fertilize.
d. the females choose mates.
-apex

Option D, the females choose mates

Explanation:

This is a common way to fertilize in animals where male put in efforts to allow the female to choose their partners. Here, in this case the male ducks are of different bright colors thus they would compete among themselves to attract the female ducks for mating. Therefore, a female duck gets the opportunity to choose the best partner for itself. This is a way of natural selection to fertilize.

Hence, option D is correct.

answer: b: experiments that showed that all cells are similar in how they metabolize and in their composition

explanation: