Fossils

Question 1

Which feature do amber fossils have that mold fossils do not?

Revolt · Accepted Answer

preserved soft tissue

Question 2

How do organisms form carbon films?

Revolt · Accepted Answer

Residue is left on rocks when organisms decay.

Question 3

What happens to soft parts of organisms when cast fossils form?

Revolt · Accepted Answer

They decay.

Question 4

The image shows a fossil that is hard like rock but that resembles a tree.

Revolt · Accepted Answer

This fossil was an organism that has been turned into rock.

Question 5

Which correctly lists three materials that preserve soft tissues in fossils?

Revolt · Accepted Answer

permafrost, amber, and tar

Question 6

Study the timeline.

Revolt · Accepted Answer

4.1 billion years ago

Question 7

An animal dies in mud, decomposes, and leaves an imprint, which is later filled by sediment to form a solid copy of the original organism.How is this fossil different from fossils of preserved remains?

Revolt · Accepted Answer

Only hard tissue is preserved.

Question 8

Study the timeline.

Revolt · Accepted Answer

Humans have only recently existed on Earth.

Question 9

Some fossils provide evidence to suggest that Earth's climate has changed over time.What information can scientists obtain from these fossils?

Revolt · Accepted Answer

temperatures

Question 10

Which type of fossils form from hardening sediment?

Revolt · Accepted Answer

casts

Fossils Answers

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