Question

4/10
what is a mass extinction event?
a gradual decline in species
a rapid loss of a large number of species
a slow adaptation of species
a minor change in ecosystems

Explanation:

A mass extinction event is defined by the widespread, rapid disappearance of a significant portion of Earth's species within a relatively short geological timeframe, distinguishing it from gradual species decline, adaptation, or minor ecosystem shifts.

Answer:

B. A rapid loss of a large number of species