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Geology Time Scale
Test Description: Review geological time scale
Instructions: Answer all questions to get your test result.
1) The Geologic Time Scale is a record of what?
A
the known history of rocks and fossils
B
sweet geology music
C
old geologists
D
a complete fossil record
2) Which of the following statements about the fossil record is true?
A
organisms having soft body tissues make up the most fossils
B
all organisms became fossils
C
the fossil record is incomplete
D
all organisms that have shells became fossils
3) The Law of Superposition helps scientists to determine what?
A
the super powers of rocks
B
the age of fossils
C
the relative age of rock layers
D
The absolute age of rock layers
4) How old do scientists (Paleontologists) believe the Earth is?
A
2017 years old
B
4.6 million years old
C
4.6 billion years old
D
3.8 billion years old
5) What type of rock do fossils form in?
A
Both igneous and sedimentary
B
Metamorphic
C
Igneous
D
Sedimentary
6) Why is the fossil record incomplete?
A
scavengers and decomposers ate them too quickly
B
all of the above answers are true
C
most organisms never became fossils
D
fossils get eroded away over time
7) Paleozoic, Mesozoic, and Cenozoic are all:
A
eons
B
eras
C
periods
D
epochs
8) Which is the most recent era of time and is the one we currently live in?
A
Cenozoic
B
Mesozoic
C
Precambrian
D
Paleozoic
9) Scientists chose where units of geologic time began and ended based on major changes in life forms at certain times.
A
True
B
False
10) Dinosaurs and reptiles were dominant during which era?
A
Paleozoic
B
Mesozoic
C
Cenozoic
D
Precambrian
11) This is known as the Age of the Mammals
A
Neogene Period
B
Cenozoic Era
C
Mesozoic Era
D
Holocene Epoch
12) The disappearance of a species is known as:
A
mutation
B
extinction
C
migration
D
evolution
13) This provides information about the history of life on earth, and how organisms lived and evolved over time:
A
fossil record
B
fossil remains
C
fossil data
D
fossil evidence
14) Which period are we currently in?
A
Jurassic
B
Quaternary
C
Tertiary
D
Neogene
15) Which geologic time division is the longest?
A
Phanerozoic
B
Cambrian
C
Precambrian
D
Cenozoic
16) Which of the following sequences the geologic time divisions in order from oldest to youngest?
A
Paleozoic, Precambrian, Cenozoic, Mesozoic
B
Precambrian, Mesozoic, Cenozoic, Paleozoic
C
Paleozoic, Precambrian, Mesozoic, Cenozoic
D
Precambrian, Paleozoic, Mesozoic, Cenozoic
17) During which era did vertebrates first appear?
A
Mesozoic
B
Paleozoic
C
Cenozoic
D
Precambrian
18) During which era did mammals first appear?
A
Cenozoic
B
Paleozoic
C
Precambrian
D
Mesozoic
19) What was the name of the mass extinction that wiped out the dinosaurs at the end of the Mesozoic Era?
A
The Big Bang
B
The Cenozoic Extinction
C
Cretaceous-Tertiary Extinction
D
The Permian Extinction
20) What was the name of the super-continent that formed about 260 million years ago?
A
Rodinia
B
Pangea
C
Texas
D
Eurasia
*select an answer for all questions
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