In a polygynandric species of birds with female brood care, the duration of copulation is positively correlated with the amount of nesting material that a male contributes

The duration of copulation is, in turn, positively correlated with the chance of fathering offspring. What is the likely mechanism for female choice in this system?
a. direct benefits c. runaway sexual selection
b. good genes d. sensory bias


A

Biology & Microbiology

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