Evolution Flashcards
1
Q
Origin of universe
A
20 billion years ago
2
Q
Formation of Earth
A
4.5 billion years ago
3
Q
Life appeared on earth
A
4 billion years ago i.e., 500 million years after earth’s formation
4
Q
Experiment by S.L. Miller
A
1953
5
Q
First non cellular forms of life
A
3 billion years ago
6
Q
First cellular form of life
A
2 billion years ago
7
Q
Industrial melanism
A
Before - 1850
After - 1920
8
Q
Invertebrates were formed and active
A
500 mya
9
Q
Jawless fish evolved. Fish with stout and strong fins that could move on land and go back to water (lobefins) appeared
A
350 mya
10
Q
Sea weeds and plants existed
A
320 mya
11
Q
Coelacanth caught in South Africa
A
1938
12
Q
Reptiles dominated earth. Fish like reptiles evolved
A
200 mya
13
Q
Dinosaurs suddenly disappeared from earth
A
65 mya
14
Q
Dryopithecus and Ramapithecus
A
15 mya
15
Q
Australopithecus
A
3-4 mya / 2mya
