7. Mass Extinction and Biodiversity - Mass Extinction Flashcards
1
Q
What does fossil evidence indicate that there has been?
A
Several mass extinction events in the past
2
Q
What has happened following each mass extinction?
A
Biodiversity has been regained slowly and some surviving taxonomic groups radiate
3
Q
What is the extinction of megafauna correlated with?
A
The spread of humans across the globe
4
Q
Why is the current rate of extinction much higher than the background rate?
A
The escalating rate of ecosystem degradation caused by humans