What is the difference between a mass extinction and a regular (background) extinction?(1 point)

Question

Responses

Mass extinction occurs over a long period of time.
Mass extinction occurs over a long period of time.
Mass extinction involves many species over a short period of geologic time.
Mass extinction involves many species over a short period of geologic time.
Mass extinction is ongoing and is a regular process that results from evolution.
Mass extinction is ongoing and is a regular process that results from evolution.
Mass extinction can be caused by ecological factors like climate change and loss of habitat.

Answer 1

The correct response is: Mass extinction involves many species over a short period of geologic time.

This distinguishes mass extinction events from background extinctions, which occur continuously at a relatively low rate and typically involve fewer species over a longer time period.