Which of the following statements is (are)true in the absence of competition from other males?
A)Female chickens mated more often with the male present.
B)The quantity of sperm a male used to inseminate a female decreased.
C)Once a male has inseminated a female, additional sperm may do little to increase the probability of fertilization.
D)B and C

Question

Quizplus · Accepted Answer

Option A may or may not be true in the absence of competition from other males. However, option B and C are universally accepted to be true in the absence of competition from other males. When there is no competition from other males, a male need not use more sperm to increase the probability of fertilization. Once a male has inseminated a female, the female rejects the additional sperm, and it does little to increase the probability of fertilization. Therefore, options B and C are true, and option D is the correct answer.

Which of the Following Statements Is (Are)true in the Absence