Which of the following is an example of density-independent population regulatio
ID: 44432 • Letter: W
Question
Which of the following is an example of density-independent population regulation?
A contagious disease spreads through a dense population of jackrabbits.
Cougars, which are predators of jackrabbits, search widely for places where jackrabbits are plentiful and concentrate their hunting in those areas.
A drought reduces 50% of the vegetation the jackrabbits feed on.
When jackrabbits are abundant, red foxes switch from a primary diet of mice to a primary diet of jackrabbits.
An overabundance of jackrabbits leads to a depletion of the food supply. As a result, jackrabbits are underfed and produce few offspring.
A.A contagious disease spreads through a dense population of jackrabbits.
B.Cougars, which are predators of jackrabbits, search widely for places where jackrabbits are plentiful and concentrate their hunting in those areas.
C.A drought reduces 50% of the vegetation the jackrabbits feed on.
D.When jackrabbits are abundant, red foxes switch from a primary diet of mice to a primary diet of jackrabbits.
E.An overabundance of jackrabbits leads to a depletion of the food supply. As a result, jackrabbits are underfed and produce few offspring.
Explanation / Answer
C) A drought reduces 50% of the vegetation the jackrabbits feed on.
because regulation of density-independent population affect the population in the same proportion no matter population size.
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