Bio Exam 1 Deck 2 Flashcards
1
Q
Archean
A
life appears, small organisms that used RNA
2
Q
Devonian
A
Vascular Plants, fish have jaws, Sharks and tetrapods
3
Q
Carboniferous
A
swamp forests produce coal, amniote eggs appear
4
Q
Permian
A
Giant amphibians and flying insects, more diversity of freshwater fish
5
Q
Triassic Extinction
A
96% of marine species went extinct, 70% of terrestrial vertebrate
6
Q
Triassic
A
Hot climate, Pangea breaking, first mammals
7
Q
Cretaceous
A
flowering plants and animals diversify
8
Q
K-T extinction
A
75% of all plant and animal species go extinct (dinosaurs gone)
9
Q
Tertiary
A
Diversification of many organisms, continents near current positions, grass as climate cools
10
Q
Quaternary
A
Hominids, large animals extinct, ice age
