Geologic Time Periods

Question 1

The last and most recent of the geologic eras. Its name means “new life” coming from the Greek root kainos, meaning “new,” and zoic, “life.” While this new life came to refer to mammals-thus coined The Age of Mammals

Answer 1

Cenozoic era

Question 2

The age of dinosaurs

Answer 2

Mesozoic Era

Question 3

Era where we first saw the emergence of animals

Answer 3

Paleozoic Era

Question 4

A period of time that was punctuated by the emergence of a number of new species, and what do evolutionist attribute it to?

Answer 4

Cambrian Explosion, increase in oxygen levels

Question 5

The period that led to the diversification of species that survived mass extinction, as wel as the emergence of the first plants growing on land, and the first record of early vertebrates

Answer 5

Ordovician Period

Question 6

The period in which there was land colonization by both plants and animals.

Answer 6

Silurian Period

Question 7

What new adaptations came along with the Silurian Period?

Answer 7

The ability for gas exchange to breathe oxygen, skeletons and circulatory systems necessary to survive life on Earth.

Question 8

What period was punctuated by a number of mass extinction events, in which nearly 95% of developed species perished, and what was this attributed to?

Answer 8

Permian period; drop in oxygen levels from 35% to 15%

Question 9

All of the following geologic time intervals are characterized correctly EXCEPT:
(A) Cambrian period - age of birds
(B) Carboniferous period - age of amphibians
(C) Devonian period - age of fishes
(D) Cenozoic era - age of mammals
(E) Mesozoic era - age of dinosaurs

Answer 9

(A)