Fossils Answers

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1
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Which is a way that paleontologists have contributed to humans' understanding of the history of life?

A
They found evidence that climate has not changed significantly.
B
They grouped organisms by the period in which they existed.
C
They discovered that the first humans lived with dinosaurs.
D
They learned that life has existed since Earth was created.
2
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Which type of fossils form from hardening sediment?

A
casts
B
tar pit fossils
C
carbon films
D
amber fossils
3

How do organisms form carbon films?

A
Organisms turn into rock.
B
Residue is left on rocks when organisms decay.
C
Hollow forms are left in sediment by decaying organisms.
D
Organisms leave evidence of their activities, such as footprints.
4

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?

A
Only hard tissue is preserved.
B
Hard and soft tissues are preserved.
C
Only soft tissue is preserved.
D
There is little change to the preserved organism.
5

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

A
They decay.
B
They petrify.
C
They form carbon films.
D
They become part of the fossil.
6

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

Question illustration
A
This fossil reveals the activities of an organism.
B
This fossil was created in solidifying sediment.
C
This fossil is an impression left by an organism.
D
This fossil was an organism that has been turned into rock.
8

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

A
preserved soft tissue
B
organisms turned into rock
C
solid copies of the original organism
D
impressions of hard tissue left by organisms

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