Why is the operational sex ratio

Last updated: 7/8/2022

Why is the operational sex ratio (the relative numbers of males and females available to mate at any given time) often male-biased in natural populations? a. Because males mate more frequently than females b. Because the cost of breeding is higher for females c. Because a male-biased sex ratio increases the number of descendants at the next generation d. A and B e. A, B, and C