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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
minerals seep into the empty space of a mold.
B
an organism becomes trapped in amber.
C
minerals replace all or part of an organism.
D
the weight of sediment squeezes everything away except carbon
2) Rock layers are _____________than the intrusions that cut across them.
A
none of the above
B
same age
C
older
D
younger
3) Fossils are almost always found in
A
igneous rock
B
crystal
C
metamorphic rock
D
sedimentary rock
4) When rock layers are lost due to erosion, this is known as
A
unconformity
B
extinction
C
intrusion
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
how groups of organisms have changed over time
B
exactly how Earth originally formed.
C
changes in the Earth’s surface
D
how environments and climates on Earth 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 covered by sediment quickly and decays leaving an imprint of its body
B
an organism is eaten and carried away but its predator
C
an organism is washed away by moving water
D
an organism is left in the sun to dry out and leaves a mark in the land below it.
9) Leaf prints on rocks are called
A
polaroid fossils
B
peserve fossils
C
print fossils
D
carbon film fossils
10) the geoligical eras in order from oldest to youngest is
A
precambrian,paleozoic,cenozoic, mesozoic
B
cenozoic, mesozoic, paleozoic, precambrian
C
paleozoic,cenozoic, precambrian,mesozoic
D
precambrian,paleozoic,mesozoic,cenozoic
*select an answer for all questions
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