First slide

Populations

Question

As a population showing logistic growth approaches its carrying capacity,

Moderate

A

the population density decreases
B

the population growth rate decreases
C

intraspecific competition decreases
D

natality becomes zero

Solution

The relationship between population growth and population density is proportional, so density increases as population growth increases. However, in logistic growth model, growth rate will eventually slows down as a population approaches its carrying capacity. Competition among the members of the population increases at higher densities. Natality would not become zero but equals mortality.

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