Extinction Events Flashcards
1
Q
Q: Which mass extinction event was the most devastating in Earth’s history?
A
A: The End-Permian extinction, which wiped out 90-95% of marine species and 70% of terrestrial species.
2
Q
Q: What caused the End-Cretaceous extinction?
A
A: A combination of a massive meteorite impact (Chicxulub crater) and possibly volcanic activity (Deccan Traps).
3
Q
Q: What are some vertebrate groups that survived the End-Cretaceous extinction?
A
A: Mammals, turtles, crocodilians, amphibians, and fish.
