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Human Evolution
Significant events in human evolution and when they took place
13
Biology
Undergraduate 1
12/13/2009
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Term
Earth forms
 Definition
4 bya
Term
Ozone forms
 Definition
550 mya
Term
First mammal
 Definition
195 mya
Hadrocodium in China
Term
Eocene
 Definition
55-34 mya
first primates
Term
Oligocene
 Definition
34-23 mya
Age of the apes, -pithecus thrive
Aegyptopithecus
Term
Miocene
 Definition
23-5 mya
global cooling 17 mya, monkeys thrive
Term
Ardipithecus
 Definition
6-4.5 mya
loss of honing complex, bipedal
Term
Australopithecus
 Definition
4.2-2.5 mya
reduced canine dimorphism
afarensis = Lucy
Term
Oldowan technology,
Archeulean
 Definition
2.6-1.5 mya,
1.7-1.5 mya
Term
Homo Erectus
 Definition
2 mya
evidence found in Africa, Tanzaia etc
systematic hunting, new tools, meat eating, larger brains/modern proportions
Term
Homo Sapiens
 Definition
~160 kya
first modern seen on Herto, Ethiopia
Term
Homo Neanderthalensis
 Definition
130-30 kya
Krapina, Croatia
Term
Last glacial maximum
 Definition
22 kya - 11 kya
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