Evidence for Evolution
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5 Terms
Cretaceous-paleogene extinction
The asteroid impact that killed the non-bird dinosaurs - the most recent extinction event
Adaptive radiation
BIODIVERSITY. Mass extinctions leave niches unoccupied. Reduced competition allows survivors to thrive. As a result, speciation and competition increase
Evidence for evolution
Fossil record, comparative development, comparative anatomy, biochemical and physiological similarities among living organisms
Out of Africa hypothesis
Modern humans evolved in africa and then migrated outward to populate the rest of the world
Multiregional theory
Modern humans evolved simultaneously across different regions of the world from separate archaic populations, rather than from a single origin in Africa.