Geologic History of NYS Pages 6 and 7

Front

What is Geologic History based on?

Back

Fossil Evidence

Front

What land plant was around when the Catskill Delta formed?

Back

Eospermatopteris

Front

What makes up the Phanerozoic Eon?

Back

Paleozoic/Mesozoic/Cenozoic

Front

Geologic Time is broken down into smaller parts called eons, ____ , periods, and epochs.

Back

eras

Front

Why might two fossils look different even if they are from the same type of animal?

Back

All are correct (Evolution, different environments, one fossil is older).

Front

Define the term 'Eon' in Geologic Time.

Back

An Eon is the largest division of geologic time, comprising multiple eras.

Front

What is the significance of Fossil Evidence in Geologic History?

Back

Fossil Evidence helps scientists understand past life forms and environmental conditions.

Front

What are the three eras of the Phanerozoic Eon?

Back

Paleozoic, Mesozoic, Cenozoic.

Front

What is the difference between an Era and a Period in Geologic Time?

Back

An Era is a larger division of time than a Period.

Front

What major event marks the beginning of the Mesozoic Era?

Back

The Triassic Period, following the mass extinction at the end of the Paleozoic Era.