Important Times Flashcards
1
Q
Age of the universe
A
13-14 BYA
2
Q
13-14 BYA
A
Age of the Universe
3
Q
Age of the Earth
A
4.6 BYA
4
Q
4.6 BYA
A
Age of the Earth
5
Q
Age of the Moon
A
4.5 BYA
6
Q
4.5 BYA
A
Age of the Moon
7
Q
First Organisms
A
3.8 BYA
8
Q
3.8 BYA
A
First Organisms
9
Q
Earliest Land Fossils
A
2.5 BYA
10
Q
2.5 BYA
A
Earliest Land Fossils
11
Q
Great Oxygenation Event
A
2.4 BYA
12
Q
2.4 BYA
A
Great Oxygenation Event
13
Q
First Multicellular Organisms
A
2.1 BYA
14
Q
2.1 BYA
A
First Multicellular Organisms
15
Q
First Eukaryotes
A
1.8 BYA
16
Q
1.8 BYA
A
First Eukaryotes
17
Q
First Algae
A
1.6 BYA
18
Q
1.6 BYA
A
First Algae
19
Q
First sponges (animals)
A
650 MYA
20
Q
650 MYA
A
First sponges (animals)
21
Q
Oldest Chordates
A
520 MYA
22
Q
520 MYA
A
Oldest Chordates
23
Q
480 MYA
A
Oldest Fossil Tracks
24
Q
Oldest Fossil Tracks
A
480 MYA
25
Oldest Land Plants
475 MYA
26
475 MYA
Oldest Land Plants
27
Oldest Land Animals
428 MYA
28
428 MYA
Oldest Land Animals
29
Oldest Fungi
400 MYA
30
400 MYA
Oldest Fungi
31
Oldest Land Vertebrates
360 MYA
32
360 MYA
Oldest Land Vertebrates
33
Dinosaurs
230 MYA
34
230 MYA
Dinosaurs
35
Earliest Mammals
180 MYA
36
180 MYA
Earliest Mammals
37
Birds
150 MYA
38
150 MYA
Birds
39
Primates
55 MYA
40
55 MYA
Primates
41
Apes
20 MYA
42
20 MYA
Apes
43
Hominids
7 MYA
44
7 MYA
Hominids
45
Tools
3.3 MYA
46
3.3 MYA
Tools
47
First hominids out of Africa
1.8 MYA
48
1.8 MYA
First hominids out of Africa
49
Neanderthals
300,000 yrs
50
300,000 yrs
Neanderthals
51
Homo sapiens
195,000 yrs
52
195,000 yrs
Homo sapiens
53
Oldest art
40,000 yrs
54
40,000 yrs
Oldest art
55
Oldest rocks on Earth
Acasta gneiss
56
Oldest rocks from space
Zircon 4.4-4.5 BYA
