Some population parameters vary directly (as one increases, the second increases) and some vary inversely (as one increases, the second decreases) with population density. Which one of the following would be expected to vary inversely with population density?

Some population parameters vary directly (as one increases, the second increases) and some vary inversely (as one increases, the second decreases) with population density. Which one of the following would be expected to vary inversely with population density? 



A. mortality (death) rate
B. fecundity (birth) rate
C. intraspecific competition
D. predation
E. parasitism


Answer: B


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