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World Timeline
Timeline, Origin of Life
18
Geography
Undergraduate 1
02/19/2012
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Cards

Term
Start of Earth
 Definition
4-5bya
1st event
Term
Pangea (1 Land Mass)
 Definition
225mya
2nd event
Term
Pangea Splits into 2
 Definition
180mya
3rd event
Term
N. Laurasia, S. Gonwandaland
 Definition
180mya
3rd event
Term
Almost PCP (Present Continent Placement)
 Definition
65mya
4th event
Term
Dinosaurs become extinct
 Definition
65mya
4th event
Term
Mammals radiate, survive, and reproduce
 Definition
65mya
4th event
Term
Australopithecines, proven by fossils found in Africa
 Definition
4mya
5th event
Term
Lucy, bipedal full female fossil
 Definition
4mya
5th event
Term
Homo Genus, Homo habilis
 Definition
2mya
6th event
Term
Stone Tools
 Definition
2mya
6th event
Term
Homo Erectus made fire, and 1st to leave Africa
 Definition
1mya
7th event
Term
From Austra to Homo Sapiens Sapiens
 Definition
200kya
8th event
Term
H.S.S. all over the Old World
 Definition
40kya
9th event
Term
H.S.S. crosses Beringia
 Definition
12-19kya
10th event
Term
H.S.S. all over the New World
 Definition
12-19kya
10th event
Term
Ice Age Ends
 Definition
10kya
11th event
Term
Europeans cross to New World
 Definition
1500AD
12th event
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