mass extinction
Frequency: 8.515.2 per million words
the extinction of a large number of species within a relatively short period of geological time
Categories:
Examples (10)
- Scientists study the mass extinction that occurred 65 million years ago.
- The mass extinction of the dinosaurs changed Earth's ecosystem forever.
- Climate change could trigger another mass extinction event.
- The Permian period ended with the largest mass extinction in history.
- Researchers identified five major mass extinction events in Earth's past.
- Human activities may be causing the sixth mass extinction.
- The mass extinction eliminated 75% of all species on Earth.
- Volcanic eruptions have been linked to several mass extinction episodes.
- Marine life was particularly affected by the mass extinction.
- Conservation efforts aim to prevent a modern mass extinction crisis.