7. Mass Extinction and Biodiversity - Mass Extinction Flashcards Preview

Biology - Unit 3 > 7. Mass Extinction and Biodiversity - Mass Extinction > Flashcards

Flashcards in 7. Mass Extinction and Biodiversity - Mass Extinction Deck (4)
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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