Evolutionary Time Flashcards
1
Q
Archae
A
first EON
- First cells
2
Q
Proterozoic
A
First Eukaryotic Cell
2.1 BYA
First Multicellular Eukaryote
1.5 BYA
3
Q
Phanerozoic
A
EON
Most fossils and multicellular life
541 MYA-Present
4
Q
Era Order
A
Paleozoic
Mesozoic (dino)
Cerzoic (modern)
5
Q
4.6 BYA
A
earth formed
6
Q
3.5 BYA
A
first prokaryotic cells
7
Q
2.1 BYA
A
first eukaryotic cells
8
Q
1.5 BYA
A
first multicellular eukaryotes
9
Q
195,000 MYA
A
humans emerge
10
Q
Mass Extinction Events
A
cause mass species die off
lead to new species becoming dominant
new diversity
11
Q
Permia Extinction Event
A
90% of ocean life dead
rise in fungus