Which of the following conditions is the most likely indicator of a population in an extinction vortex?
A) The population is geographically divided into smaller populations.
B) The species in question is found only in small pockets of its former range.
C) The effective population size of the species falls below 500.
D) Genetic measurements indicate a loss of genetic variation over time.
E) The population is no longer connected by corridors.

Question

Quizplus · Accepted Answer

A loss of genetic variation over time is a key indicator of a population entering an extinction vortex. This loss of genetic diversity can lead to reduced fitness and adaptability, making the population more susceptible to environmental changes, diseases, and other threats, thereby increasing the risk of extinction.

Which of the Following Conditions Is the Most Likely Indicator