List two factors responsible for sexual selection 1. Parental investment 2. Distribution of resources in time and space 3. Describe one effect of sexual selection on males using an example from a specific animal. Describe one effect of sexual selection on females using an example from a specific animal.
Females are choosy about mates.
For example, female bullfrogs go to the calling territories of dominant males to mate. Polyandrous females compete with males, may be territorial.