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Fossils
Test Description: A review of fossils and the geologic time scale
Instructions: Answer all questions to get your test result.
1) A petrified fossil forms when
A
an organism becomes trapped in amber.
B
minerals replace all or part of an organism.
C
an organism is frozen.
D
gases from the organism and leave carbon behind.
2) On the geologic time scale, eras are divided into
A
relative dates
B
indexes
C
periods
D
ages
3) Most fossils form when organisms die and are buried in
A
faults.
B
sediment.
C
unconformities.
D
ice.
4) The gradual change in living things over a long period of time is
A
mold.
B
extinction.
C
cast.
D
evolution.
5) The longest part of the geologic time scale is
A
precambrian time.
B
the paleozoic era.
C
the mesoszoic era.
D
the cenozoic era.
6) The earliest life forms on Earth lived
A
in water.
B
on land.
C
in rocks.
D
in the air.
7) The age of a rock given as the number of years since the rock formed is its
A
unconformity.
B
absolute age.
C
evolution.
D
relative age.
8) A footprint is a type of a ____ fossil
A
cast
B
petrified
C
mold
D
trace
9) Why would a jellyfish have very little chance of becoming fossilized?
A
It would go extinct.
B
It is too small.
C
It has no hard parts.
D
It lives in the sea.
10) The fossil of an organism that covered a wide area but lived for just a short period of time is
A
an index fossil.
B
a petrified fossil.
C
a trace fossil.
D
a preserved fossil.
*select an answer for all questions
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