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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
old geologists
B
sweet geology music
C
the known history of rocks and fossils
D
a complete fossil record
2) Which of the following statements about the fossil record is true?
A
the fossil record is incomplete
B
all organisms that have shells became fossils
C
all organisms became fossils
D
organisms having soft body tissues make up the most 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
3.8 billion years old
B
2017 years old
C
4.6 million years old
D
4.6 billion years old
5) What type of rock do fossils form in?
A
Igneous
B
Both igneous and sedimentary
C
Sedimentary
D
Metamorphic
6) Why is the fossil record incomplete?
A
fossils get eroded away over time
B
scavengers and decomposers ate them too quickly
C
all of the above answers are true
D
most organisms never became fossils
7) Paleozoic, Mesozoic, and Cenozoic are all:
A
eras
B
periods
C
epochs
D
eons
8) Which is the most recent era of time and is the one we currently live in?
A
Cenozoic
B
Precambrian
C
Mesozoic
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
Precambrian
C
Mesozoic
D
Cenozoic
11) This is known as the Age of the Mammals
A
Cenozoic Era
B
Neogene Period
C
Holocene Epoch
D
Mesozoic Era
12) The disappearance of a species is known as:
A
mutation
B
extinction
C
evolution
D
migration
13) This provides information about the history of life on earth, and how organisms lived and evolved over time:
A
fossil evidence
B
fossil remains
C
fossil data
D
fossil record
14) Which period are we currently in?
A
Neogene
B
Tertiary
C
Jurassic
D
Quaternary
15) Which geologic time division is the longest?
A
Cenozoic
B
Cambrian
C
Precambrian
D
Phanerozoic
16) Which of the following sequences the geologic time divisions in order from oldest to youngest?
A
Paleozoic, Precambrian, Cenozoic, Mesozoic
B
Paleozoic, Precambrian, Mesozoic, Cenozoic
C
Precambrian, Mesozoic, Cenozoic, Paleozoic
D
Precambrian, Paleozoic, Mesozoic, Cenozoic
17) During which era did vertebrates first appear?
A
Mesozoic
B
Precambrian
C
Paleozoic
D
Cenozoic
18) During which era did mammals first appear?
A
Paleozoic
B
Precambrian
C
Cenozoic
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 Permian Extinction
B
The Cenozoic Extinction
C
Cretaceous-Tertiary Extinction
D
The Big Bang
20) What was the name of the super-continent that formed about 260 million years ago?
A
Eurasia
B
Texas
C
Pangea
D
Rodinia
*select an answer for all questions
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