Earth Geological History | Vocab

Question 1

Paleozoic Era

Answer 1

Had major periods of biological diversity & oldest era

Question 2

Cambrian Explosion

Answer 2

When all major animals began to appear in the fossil record

Question 3

Ordovician Period

Answer 3

Best known for its diverse marine invertebrates

Question 4

Silurian Period

Answer 4

First evidence that terrestrial anthropods moved on land and general stablization of Earth’s climate.

Question 5

Devonian Period

Answer 5

Tetrapod vertebrates began to colonize the land & First Amphibians began to appear on the land

Question 6

Carboniferous Period

Answer 6

Called the Carboniferous Period because this is where our modern coal deposits were founded `

Question 7

Permian Period

Answer 7

This is when the continents came together to form Pangeae

Question 8

Mesozoic Era

Answer 8

Age of Reptiles

Question 9

Triassic Period

Answer 9

Was mainly dominated by Archosuar reptiles

Question 10

Jurassic Period

Answer 10

When Dinosuars ruled

Question 11

Cretaceaus Period

Answer 11

Brought upon by an asteroid impact near the Yucatan Peninsula which triggered volcanic eruptions

Question 12

Ceriozoic Era

Answer 12

Up to present day

Question 13

Paleogene Period

Answer 13

Characterized by the rise in mammals & the origins of apes

Question 14

Neogene Period

Answer 14

The Isthmus of Panamda joined North & South America

Question 15

Quaternary Period

Answer 15

The Pleistocene composed almost all of this period except for the last 10,000yrs.

Question 16

Hominin

Answer 16

The Hominins were apart of a larger group of primate Hominids

Hominids inclued :: orangutangs, gorillas, chimps, and humans