An Ecologist Decides That the Aphids She Is Studying Have

An ecologist decides that the aphids she is studying have density-independent population dynamics. This means that

A) birth and death rates per individual will not vary in response to the number of aphids in the population.
B) as the population grows in size the birth rates per individual must drop because resources will be in greater demand.
C) as the population grows in size the birth rates per individual must rise as there will be more reproductive individuals.
D) the population will fluctuate dependent on the climate.
E) it is impossible to tell how an increase in population size will affect birth and death rates.

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