Which of the following situations illustrates a link between the effects of dens

Question

Which of the following situations illustrates a link between the effects of density-dependent and density-independent factors?

A. A flood causes a river to overflow and drown a herd of deer.

B. A drought occurs; a small herd of deer is able to survive, whereas a larger herd in the same area perishes.

C. A population of deer increases to a size at which individuals are competing with each other to get enough food.

D. None of the above are correct because density-dependent and density-independent factors cannot affect the same population of organisms at the same time.

Explanation / Answer

B. A drought occurs; a small herd of deer is able to survive, whereas a larger herd in the same area perishes.

Explanation:

Density-dependent factors: where the effects on the size or growth of a population vary with the density of the population itself. density-independent factors affect populations regardless of their density, example is drought.

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