Among the pipefish seahorse, the male carries the young and invests many more resources in their care than does the female, who invests almost nothing. According to differential parental investment theory,
which of the following is probably also true of the pipefish seahorse?
A) The female is more choosy when selecting a mate.
B) The female is more aggressive than the male.
C) The male is more aggressive than the female.
D) Both the male and female seahorse are choosy and aggressive.
Question 2
The evolutionary principle that the gender that contributes more resources to the upbringing and care of offspring will be more careful in selecting a mate is known as
A) sexual selection.
B) resource allocation.
C) biparental care.
D) differential parental investment.
An adult male Asiatic lion
Young American Alligators basking
Inhalation medication administration. Photograph of a young girl using a metered-dose inhaler.
Ultrasonogram showing a male fetus.
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