Which of the Following Conditions Is the Most Likely Indicator

question 26

Multiple Choice

Which of the following conditions is the most likely indicator of a population in an extinction vortex?

• A) The species in question is found only in small, stable pockets of its former range.
• B) The effective population size of the species falls below 1,000.
• C) Genetic measurements indicate a loss of genetic variation over time.
• D) The population is declining and remains permanently small.