Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
A die-off refers to a sudden and significant decline in the population of a species, resulting in a large number of individuals dying within a short period of time.
A population crash refers to a rapid decline in the size of a population over a short period of time.
Mass Mortality Event: A mass mortality event is an occurrence where a large number of organisms die within a specific area or population due to various factors such as disease, pollution, or natural disasters.