Confused and have questions? We’ve got answers. With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors.

Extinction event

From Biology-Online Dictionary | Biology-Online Dictionary
Jump to: navigation, search

Definition

noun

An event in geologic time that depicts of the extinction of one of more species in a relatively short period, usually as a consequence of a catastrophic global event, a natural disaster, or an abrupt change in the environment, and based on studies of fossil records and macroscopic evidence.


Supplement

Examples include Permian extinction of marine species, and Cretaceous extinction of various species, including dinosaurs.


Synonym(s):