Question

D 21. Which of the following is an example of sexual selection? In clownfish, the largest individual in a group becomes female because females can lay more eggs if they are large whereas it takes fewer resources to make sperm In aphids, most individuals reproduce asexually during the summer, but switch to sexual reproduction during the fall In chimps, the babies learn how to crack nuts by watching their mothers perform this task In bowerbirds, males that produce the most elaborate structure built of twigs and colorful leaves and berries mate with more females and have more surviving offspring

Answer 1

QUESTION 21

Remember that sexual selection consist in the process where one biological sex will choose to mate with the other sex based on a particular trait. This trait must show some dominant and advantageous factor that makes the opposite sex to select that individual. The only option that demonstrate this is the case of bowerbirds where males that built the most elaborated twigs will be selected by more females, and they will have more chances to reproduce.

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