Mass Extinction

Mass Extinction

Mass extinction occurs when many species disappear from Earth in a short period. Throughout Earth’s history, five major mass extinctions have been caused by asteroid impacts, volcanic eruptions, or sudden climate changes. These events drastically reduced biodiversity and led to th...

There have been times in Earth's history when many species disappeared permanently. These events are called mass extinctions.

It occurs when many species die out in a short period due to extreme environmental changes.

Scientists have identified five major mass extinctions in Earth's history caused by volcanic eruptions, asteroid impa...