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Fossils, Geologic Time, Adaptations
Test Description: Test covering Fossils, Geologic Time, and Adaptations
Instructions: Answer all questions to get your test result.
1) If the same types of fossils are found in two separate rock layers, it's likely that the two rock layers ___________.
A
formed under different conditions
B
formed at different times
C
none of the above
D
are part of one continuous deposit
2) Determining the order of events and the relative age of rocks by examining the position of rocks in a sequence is called ______________.
A
absolute dating
B
relative dating
C
radio carbon dating
D
radiometric dating
3) Gaps in rock layers are called _________.
A
unconformities
B
none of the above
C
half-lives
D
index fossils
4) A limestone bed containing fossils that are 550 million years old is ______ a bed of sandstone containing fossils that are 400 million years old.
A
younger than
B
older than
C
the same age as
D
not related to
5) In a series of undisturbed rock layers where shale lies between sandstone below and limestone above, the ________.
A
shale is youngest
B
beds are all the same age
C
limestone is youngest
D
sandstone is youngest
6) Rock layers are related if they both contain the same _________.
A
elements
B
shapes
C
fossils
D
type of rock
7) If a layer of sandstone lies on top of a layer of limestone in which a 300 million year old fossil is found, and there are no unconformities, the layer of sandstone must be ________.
A
younger than 300 million years
B
older than 600 million years
C
about 300 million years old
D
older than 300 million years
8) Geologic time is divided into units based upon types of _________.
A
organisms
B
igneous rocks
C
sedimentary rocks
D
climatic changes
9) The longest subdivision in geologic time is a(n) ________.
A
epoch
B
eon
C
period
D
century
10) __________ existed during the Mesozoic Era.
A
Birds
B
Both a and c
C
Angiosperms
D
Humans
11) A life-form in the Precambrian time was __________.
A
reptiles
B
dinosaurs
C
humans
D
cyanobacteria
12) Trilobites are index fossils because they _________.
A
all of the above
B
exhibit specific characteristics
C
changed slowly through time
D
lived over large areas of the world
13) Pangaea separated into ________.
A
two southern landmasses
B
four continents
C
none of the above
D
two large landmasses
14) Little is known about much of Earth's early history because ________.
A
Precambrian rocks have been changed by heat and pressure
B
Precambrian rocks have been deeply buried
C
all of the above
D
Precambrian soft-bodied life-forms weren't often preserved as fossils
15) Animal life in the Paleozoic Era included which of the following ?
A
dinosaurs
B
birds
C
mammals
D
marine life
16) Animal life in the Cenozoic Era includes ___________.
A
marine life
B
birds
C
all of the above
D
mammals
17) __________ on the geologic time scale are marked by major, striking, and worldwide changes in the type of fossils present.
A
Periods
B
all of the above
C
Epochs
D
Eras
18) The division of Earth's history into smaller units makes up the _______.
A
sequence of events
B
eras
C
periods
D
geologic time scale
19) Humans first appeared during the ___________ Era.
A
Mesozoic
B
Paleozoic
C
Cenozoic
D
Precambrian
20) The longest division of time in Earth's history is known as __________.
A
Pangaea
B
Triassic
C
Mesozoic
D
Precambrian
*select an answer for all questions
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