ERA's Flashcard

Front

What was the major geologic event of the Mesozoic Era? Options: the formation of North America, the formation of inland seas, the break up of Pangaea, volcanism

Back

the break up of Pangaea

Front

Which hypothesis has the most evidence for the cause of the extinction event that ended the age of dinosaurs? Options: asteroid impact, ice age, It's Obama's fault, mammal competition

Back

asteroid impact

Front

What were the dominant animals of the Mesozoic Era? Options: fish, reptiles, mammals, bacteria

Back

reptiles

Front

Mass extinction of the dinosaurs marks the end of this era.

Back

Mesozoic

Front

The chronological system used for dating the age of Earth.

Back

Geologic Time Scale

Front

Cenozoic, Mesozoic, and Paleozoic are huge sections of time called ____

Back

era

Front

An event in time when large amounts of animals and plants die off

Back

mass extinction

Front

What were the dominant animals of the Cenozoic Era? Options: fish, reptiles, mammals, bacteria

Back

mammals

Front

During which Era appeared the earliest Humans? Options: Cenozoic, Paleozoic, Mesozoic, Precambrian

Back

Cenozoic

Front

During which Era appeared the earliest dinosaurs? Options: Cenozoic, Paleozoic, Mesozoic, Precambrian

Back

Mesozoic