Earth Science: Geology, the Environment, and the Universe

Section 4: Remains of Organisms in the Rock Record

Remains of Organisms in the Rock Record

1
A _________ is the unaltered remains of a once-living organism.
A)trace fossil
B)fossil with permineralization
C)fossil with original preservation
D)mold of a fossil

2
Which of these are indirect evidence of plant or animal life?
A)altered remains
B)trace fossils
C)microfossils
D)original hard parts

3
Petrified wood is an example of __________.
A)an index fossil
B)a mold
C)permineralization
D)original hard parts

4
What characterizes an index fossil?
A)all of these are correct
B)abundant
C)widely distributed geographically
D)easily recognized
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