A population of birds migrating to winter nesting grounds is blown off course by a late -season hurricane and ends up on an island that is uninhabited by any animal species. Which of the following represents a density-independent factor that will limit the population size?
A) Abundant fruit trees
B) Abundant berry bushes
C) Nightly temperature dropping below freezing
D) Heavily wooded
E) Freshwater spring

Question

Quizplus · Accepted Answer

Density-independent factors are those that affect a population regardless of its density. Nightly temperatures dropping below freezing is an example of a density-independent factor because it can impact the population regardless of how many individuals there are.

A Population of Birds Migrating to Winter Nesting Grounds Is