What is a fossil?

How do most fossils form?

A fossil formed when minerals replace all or part of an organism is called a

Which type of fossil can provide clues about the activities of ancient organisms?

In which type of fossil might you find the remains of an insect preserved with little or no change?

The fossil record shows that life on Earth has changed over time. For example, paleontologists have found that older rocks contain fossils of

A type of organism that no longer exists on Earth is said to be

A ____ fossil forms when dissolved minerals replace the remains of an organism and then harden to form rock.

A scientist who studies fossils is called a

Scientist know how groups of animals changed over time by studying information contained in the

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