Geological Time

Question 1

What are the 3 eras within the Phanerozoic Eon (oldest to most recent)?

Answer 1

Paleozoic, mesozoic, and Cenozoic

Question 2

What are the geologic measures of time (biggest to smallest)?

Answer 2

Eons, eras, periods, and epochs.

Question 3

What are the periods within the cenozoic era?

Answer 3

Paleogene, Neogene, Quaternary

Question 4

What are the Periods within the Mesozoic Era?

Answer 4

Triassic (252-201 Myr), Jurassic (201-145 Myr), and Cretacous (145-66 Myr).

Question 5

What are the Epochs within the Paleogene in which much of primate evolution takes place?

Answer 5

Paleocene, Eocene, Oligocene.