Evolution

Question 1

Formation of Earth

Answer 1

4.54 bya

Question 2

Last Universal Ancestor

Answer 2

3.5 bya

Question 3

First multi-celled life forms

Answer 3

1 bya

Question 4

First complex animals

Answer 4

600 mya

Question 5

First vertebrates

Answer 5

525 mya

Question 6

First land plants

Answer 6

475 mya

Question 7

First tetrapods

Answer 7

395 mya

Question 8

First dinosaurs

Answer 8

243 mya

Question 9

First mammals

Answer 9

225 mya

Question 10

First birds

Answer 10

150 mya

Question 11

First primates

Answer 11

85 mya

Question 12

Dinosaur extinction

Answer 12

65 mya

Question 13

First hominids

Answer 13

20 mya

Question 14

First ‘Homo’ species (H. hablis)

Answer 14

2.3 mya

Question 15

First H. sapiens

Answer 15

200, 000 ya

Question 16

Precambrian

Answer 16

4.6 - 2.5 bya
Consists of:
1. Proterozoic - 2.5 bya
2. Archean - 3.8 bya
3. Hadean - 4.5-4.6 bya

Question 17

Paleozoic Era includes which periods?

Answer 17

1. Cambrian (oldest)
2. Ordovician
3. Silurian
4. Devonian
5. Carboniferous
6. Permian

Question 18

Onset of Cambrian

Answer 18

542 mya

Question 19

Onset of Ordovician

Answer 19

488 mya

Question 20

Onset of Silurian

Answer 20

444mya

Question 21

Onset of Devonian

Answer 21

416 mya

Question 22

Onset of Carboniferous

Answer 22

359 mya

Question 23

Onset of Permian

Answer 23

299 mya

Question 24

Mesozoic Era includes which periods?

Answer 24

1. Triassic (oldest)
2. Jurassic
3. Cretaceous

Question 25

Onset of Triassic

Answer 25

251 mya

Question 26

Onset of Jurassic

Answer 26

201.6 mya

Question 27

Onset of Cretaceous

Answer 27

145.5 mya

Question 28

Cenozoic Era includes which periods?

Answer 28

1. Tertiary (oldest)

2. Quaternary

Question 29

Onset of Tertiary

Answer 29

65.5 mya

Question 30

Onset of Quaternary

Answer 30

2.6 mya

Question 31

How many ice ages were there?

Answer 31

6

Question 32

How many mass extinctions were there?

Answer 32

5

Question 33

When were the mass extinctions?

Answer 33

1. Ordovician/ Silurian
2. Late Devonian
3. Permian
4. Triassic/ Jurassic
5. Cretaceous/ Tertiary