End-Permian Extinction Flashcards
1
Q
Q: What caused the end-Permian extinction?
A
A: Increased concentrations of greenhouse gases (mainly CO₂), with potential contributions from volcanic activity and asteroid impacts.
1
Q
Q: What percentage of species went extinct during the end-Permian extinction?
A
A:
Over 90% of ocean-dwelling species.
Over 70% of land-dwelling species.
