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Fossils And Geologic Time
Test Description: Quiz on geo time and fossilization
Instructions: Answer all questions to get your test result.
1) A petrified fossil forms when
A
an organism becomes trapped in amber.
B
minerals seep into the empty space of a mold.
C
the weight of sediment squeezes everything away except carbon
D
minerals replace all or part of an organism.
2) Rock layers are _____________than the intrusions that cut across them.
A
younger
B
none of the above
C
same age
D
older
3) Fossils are almost always found in
A
crystal
B
sedimentary rock
C
igneous rock
D
metamorphic rock
4) When rock layers are lost due to erosion, this is known as
A
extinction
B
intrusion
C
unconformity
D
extrusion
5) The Precambrian time began after the formation of the Earth about_____ years ago.
A
46 billion
B
4.6 billion
C
4.6 million
D
4.6 thousand
6) Fossils provide evidence for all of the following EXCEPT
A
exactly how Earth originally formed.
B
changes in the Earth’s surface
C
how environments and climates on Earth have changed over time.
D
how groups of organisms have changed over time
7) An index fossil
A
are organisms that are still alive
B
lived for a long time in one location
C
lived for a short period time and are wide spread
D
lived for a long time in many location
8) mold fossils form when
A
an organism is left in the sun to dry out and leaves a mark in the land below it.
B
an organism is eaten and carried away but its predator
C
an organism is covered by sediment quickly and decays leaving an imprint of its body
D
an organism is washed away by moving water
9) Leaf prints on rocks are called
A
print fossils
B
peserve fossils
C
carbon film fossils
D
polaroid fossils
10) the geoligical eras in order from oldest to youngest is
A
precambrian,paleozoic,cenozoic, mesozoic
B
precambrian,paleozoic,mesozoic,cenozoic
C
cenozoic, mesozoic, paleozoic, precambrian
D
paleozoic,cenozoic, precambrian,mesozoic
*select an answer for all questions
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