Biology Deep Time
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Last updated 11:01 PM on 12/11/22
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21 Terms
1
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Universe Formation
13.7 billion years ago
2
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Earth formation
4\.6 billion years ago
3
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Moon formation
4\.5 billion years ago
4
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Oldest rock
4-3.8 bya
5
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oldest fossils
3\.8-3.5 bya
6
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Cyanobacteria
2\.5 billion years ago
7
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Eukaryotic
2 billion years ago
8
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Algea creation
1\.2 billion
9
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Snow Ball Ice ages
750-600 mya
10
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First Animals
590 mya
11
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Cambrian explosion
545-520 mya
12
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Carboniferous Period
360-330 mya
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First dinosaurs
230 mya
14
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first birds
150 mya
15
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Dinosaur extinction
65 mya
16
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modern humans
200,000 years ago
17
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Classwork
10%
18
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Homework
15%
19
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Lab/Discussion
25%
20
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Final
15%
21
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Test
35%
Note 
Flashcards (27)