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WorksheetsGeologic Time
Total questions: 10
Worksheet time: 30mins
Name
Class
Date
1.
What is the first ERA of the Phanerozoic Eon?
a)
Cenozoic
b)
Archean
c)
Permian
d)
Paleozoic
2.
When did multicellular life explode on Earth?
a)
550 billion years ago
b)
550 million years ago
c)
550 thousand years ago
d)
550 years ago
3.
Mass extinctions can be caused by:
a)
natural disasters
b)
climate change
c)
competition
d)
all of the above
4.
Index Fossils are helpful because:
a)
they are widely distributed and found in a limited time span
b)
they are found in a limited region and a limited time span on Earth
c)
they are found frequently as petrified fossils
d)
they are ancient
5.
What is the oldest rock layer in the rock strata below?
a)
A
b)
B
c)
C
d)
D
6.
Ice Cores can give us what information about the past?
a)
relative air temperature
b)
levels of carbon dioxide
c)
amount of precipitation
d)
all of the above
7.
What was the largest outcome that resulted from the emergence of cyanobacteria (blue-green algae) 2.5 billion years ago?
a)
appearance of Oxygen in atmosphere
b)
the greatest mass extinction event
c)
transition of aquatic organisms to the land
d)
humans diverge from lineage of great apes
8.
Which fossil is the best type of fossil for a paleontologist to find, but the rarest.
a)
cast
b)
petrified
c)
true
d)
mold
9.
Ammonoid fossils indicate what type of environment existed?
a)
mountains
b)
jungle
c)
marine
d)
desert
10.
How many years ago did the Ice Age end and the Holocene Epoch begin?
a)
1,000 years
b)
10,000 years
c)
1.8 million
d)
66 million
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