Fossils and Extinction

Front

Scientists that study fossils are called:

Back

Paleontologists

Front

What does it mean if a plant or an animal is extinct?

Back

It no longer exists.

Front

What are the four types of fossils?

Back

Mold, cast, trace, true form.

Front

Fossils are the preserved _______ or traces of organisms that lived in the _______.

Back

remains; past.

Front

Fossils can be used to understand _______ events and _______.

Back

historical; evolution.

Front

What is a fossil?

Back

A fossil is the preserved remains or traces of ancient organisms.

Front

What is extinction?

Back

Extinction is when a species no longer exists anywhere on Earth.

Front

What is a mold fossil?

Back

A mold fossil is an impression left in sediment by an organism.

Front

What is a cast fossil?

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A cast fossil is formed when a mold is filled with minerals or sediment.

Front

What is a trace fossil?

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A trace fossil is evidence of an organism's activity, like footprints or burrows.