Land Before Time

Question 1

What are the Eons?

Answer 1

Hadean; Archean; Proterozoic; Phanerozoic

Question 2

What are the Eras?

Answer 2

Precambrian; Paleozoic; Mesozoic; Cenozoic

Question 3

What are the Periods?

Answer 3

Precambrian; Cambrian; Ordovician; Silurian; Devonian; Carboniferous; Permian; Triassic; Jurassic; Cretaceous; Tertiary; Quaternary

Question 4

Precambrian

Answer 4

molten surface -volcanic activity in the beginning; planet has cooled and oceans are forming with crust first signs of life(bacteria); photosynthesis and atmosphere changes with glaciation and there’s multicellular life(jelly fish and worms)

Question 5

Flora

Answer 5

plants

Question 6

Fauna

Answer 6

animals

Question 7

Does the Precambrian have any periods?

Answer 7

No, the Precambrian is one large period combining the Hadean, Archean, and Proterozoic Eons

Question 8

What periods are in the Paleozoic Era?

Answer 8

Cambrian, Ordovician, Silurian, Devonian, Carboniferous, Permian

Question 9

What periods are in the Mesozoic Era?

Answer 9

Triassic, Jurassic, Cretaceaous

Question 10

What periods are in the Cenozoic Era?

Answer 10

Tertiary, Quaternary