mass extinction in a sentence

Examples

1. The fifth and most recent mass extinction was the K-T extinction.
2. Small species, for example, might simply be more likely to survive mass extinctions.
3. However, current evidence in the fossil record supports the concept of mass extinctions.
4. It could, therefore, not be the immediate cause of the observed mass extinction.
5. :That sort of temperature rise would lead to a major mass extinction event.
6. This cold spell caused the second-greatest mass extinction of Phanerozoic time.
7. "It's the least studied of mass extinctions, and suddenly people are very interested,"
8. Ongoing mass extinction and threaten life as we know it within your lifetime.
9. The idea that astral radiation caused mass extinctions is nothing new.
10. Marine reptiles were less numerous after mass extinction at the end of the Cretaceous.