Which of the following correctly describes the effect parasites have on their hostʹs population size and on the host itself?
A) Parasites have a density-independent effect, and they usually kill their hosts.
B) Parasites have a density-dependent effect, but they do not usually kill their hosts.
C) Parasites have a density-dependent effect, but they do not affect host death rates.
D) Parasites have a density-independent effect, but they do not usually kill their hosts.
E) Parasites have a density-dependent effect, and they usually kill their hosts.

Question

Quizplus · Accepted Answer

Parasites typically have a density-dependent effect on their host populations, meaning their impact increases as the host population density increases. However, they do not usually kill their hosts, as killing the host would eliminate their habitat and source of nutrition.

Which of the Following Correctly Describes the Effect Parasites Have