Earth History Flashcard

Front

During which period did the first dinosaurs appear?

Back

Triassic

Front

What caused the mass extinction at the end of the Cretaceous Period?

Back

Asteroid collision

Front

What is the current epoch called?

Back

Holocene

Front

What does the term 'Mesozoic' mean?

Back

Middle life

Front

What is the first period of the Paleozoic Era?

Back

Cambrian

Front

What are the three major eras of Earth's history?

Back

Paleozoic, Mesozoic, Cenozoic

Front

What significant event marks the end of the Mesozoic Era?

Back

Mass extinction of dinosaurs

Front

What is the geological time scale?

Back

A system of chronological dating that relates geological strata to time.

Front

What is the significance of the Cambrian Explosion?

Back

A rapid diversification of life forms that occurred approximately 541 million years ago.

Front

What is the difference between the Paleozoic and Mesozoic Eras?

Back

Paleozoic is known for the development of early life forms, while Mesozoic is known as the age of reptiles.