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A type _____ functional response occurs when a predator’s rate of prey consumption increases linearly with increasing prey and then satiates.

In the wattled jacana (Jacana jacana), a species of tropical wading bird, all brood care is performed by males. Females protect nests and defend territory. Females sometimes attack and kill chicks cared for by a male. The male then fertilizes the female attacker and cares for the resulting young. This type of social interaction is an example of

A species of louse (an external parasite) infests salmon. Researchers have found that the lice have difficulty finding a mate when there are only a few lice on an individual fish. The lice find mates more easily and produce more offspring when there are many lice on an individual fish. This is an example of

Which statement best describes the Red Queen hypothesis?

A hummingbird guarding a hummingbird feeder is an example of

A what if” simulation using a computer helps to”

Which describes the figure of logistic population growth shown in the graph?

Natural selection favoring the rarer sex in a population leads to evolution of sex ratios. This process is the result of

Peahens prefer peacocks with larger number of eye spots on their tails. It has been shown that offspring of males with more eye spots have higher survival than offspring of males with less number of eye spots. Which hypothesis for the evolution of female preference is supported here?

For a firm paying 5% for new debt, the higher the firm’s tax rate