Which of the following statements is an example of a density-independent effect?
A) The number of nests in an area is limited to 70.
B) The incidence of malaria increases as populations increase.
C) Drought kills seedlings.
D) Large aggregations of guppies attract predators.
E) None of the above

Question

Quizplus · Accepted Answer

Density-independent effects are those that affect populations regardless of their density, such as natural disasters, climatic events, pollution, and habitat destruction. Drought, in this case, is an example of a density-independent effect as it impacts seedlings regardless of their population density. A, B, and D are examples of density-dependent effects that are influenced by population density.

Which of the Following Statements Is an Example of a Density-Independent