In an environment with scarce food resources, the size of a population is most likely to be controlled by
A) climate.
B) predation.
C) size of habitat.
D) type of dispersal.
E) intraspecific competition.

Question

Quizplus · Accepted Answer

When food resources are scarce, individuals of the same species will compete with each other for available resources. This will lead to intraspecific competition, which will limit the size of the population. As the population grows, competition will increase, and resources will become even scarcer. This will eventually lead to a decrease in the population size due to natural selection.

In an Environment with Scarce Food Resources, the Size of a Population