Question

what is Mass Extinction???​

Answer 1

Answer:

An extinction event is a widespread and rapid decrease in the biodiversity on Earth

Explanation:

A mass extinction event is when species vanish much faster than they are replaced. This is usually defined as about 75% of the world's species being lost in a 'short' amount of geological time - less than 2.8 million years.

Answer 2

Explanation:

$\huge\color{pink}\boxed{\colorbox{Black}{Answer}}$❒An extinction event is a widespread and rapid decrease in the biodiversity on Earth. Such an event is identified by a sharp change in the diversity and abundance of multicellular organisms. It occurs when the rate of extinction increases with respect to the rate of speciation.