Geological Time Scale

Question 1

How old is the Earth?

Answer 1

4.54 BYA

Question 2

The four eons in order?

Answer 2

Hadean, Archaean, Proterozoic, Phanerozoic

Question 3

What principle states that different kinds of fossils characterise different intervals of time?

Answer 3

Principle of faunal succession

Question 4

Which is part of the Precambrian?

Answer 4

Hadean, Archean, Proterozoic

Question 5

Oldest Era of Phanerozoic?

Answer 5

Paleozoic

Question 6

Middle Era of the Phanerozoic?

Answer 6

Mesozoic

Question 7

Youngest Era of the Phanerozoic?

Answer 7

Cenozoic

Question 8

The Eras in order after the Precambrian?

Answer 8

Paleozoic, Mesozoic, Cenozoic

Question 9

Periods in the Mesozoic?

Answer 9

Triassic, Jurassic, Cretaceous

Question 10

Periods in the Cenozoic?

Answer 10

Paleogene, Neogene, Quaternary

Question 11

How long ago was the end of the Paleozoic?

Answer 11

252 MYA

Question 12

Start - End of the Mesozoic?

Answer 12

252 - 66 MYA

Question 13

Start - End of the Paleozoic?

Answer 13

541 - 252 MYA

Question 14

Start of the Cenozoic?

Answer 14

66 MYA

Question 15

Periods in the Cenozoic?

Answer 15

Paleogene, Neogene, Quaternary

Question 16

FIRST 3 periods in the Paleoizoic?

Answer 16

Cambrian, Ordovician, Silurian

Question 17

LAST 3 periods in the Paleozoic?

Answer 17

Devonian, Carboniferous, Permian

Question 18

The Precambrian eons represent what percentage of time?

Answer 18

88%

Question 19

Meaning of Phanerozoic?

Answer 19

Visible life

Question 20

Meaning of Paleozoic?

Answer 20

Old life

Question 21

Meaning of Mesozoic?

Answer 21

Middle life

Question 22

Meaning of Cenozoic?

Answer 22

Recent life