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slides first times

evolutionary first times

TermDefinition
first life 4 bya
first mammals 200 mya
first vertebrates 400 mya
first placental mammals 65 mya
first primates 50-65 mya
first apes 25-30 mya
human line splits from apes 6 mya
first bipedal locomotion 4 mya
first stone tool use 2.5 mya
fire harnessed (cooking) 1.6 mya
hominoid brain begins rapid expansion, diverging from great ape 1.2 mya
homo sapiens spread to all continents besides Americas 40 kya
Created by: james22222222
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