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WorksheetsPaleontology Review 1
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What is the largest unit of geologic time?
a)
Era
b)
Eon
c)
Periods
d)
Epochs
2.
Which of the following was not a proposed reason for the mass extinction at the end of the Paleozoic Era?
a)
Appearance of dinosaurs
b)
Asteroid impacts
c)
Large release of greenhouse gases
d)
Increased volcanic activity
3.
During this era, eukaryotes began to appear and supercontinents formed.
a)
Proterozoic Era
b)
Cambrian Period
c)
Hadean Era
d)
Archean Era
4.
This era is known for the formation of Earth. No life was present at this time.
a)
Proterozoic Era
b)
Cambrian Period
c)
Hadean Era
d)
Archean Era
5.
Earth's 2nd era. Cyanobacteria, the first known life on Earth, appeared.
a)
Proterozoic Era
b)
Cambrian Period
c)
Hadean Era
d)
Archean Era
6.
541 Mya - 485 Mya. World is covered in oceans. This period is known for the rapid appearance of multicellular animals
a)
Ordovician
b)
Devonian
c)
Cambrian
d)
Silurian
7.
485 Mya - 443 Mya. Mollusks and arthropods dominated the oceans. Fish appeared during this period.
a)
Ordovician
b)
Devonian
c)
Cambrian
d)
Silurian
8.
443 Mya - 419 Mya. Fish became the dominant animals of the period. The first plants appeared on land.
a)
Ordovician
b)
Devonian
c)
Cambrian
d)
Silurian
9.
419 Mya - 358 Mya. Known as the Age of fish. This period is also known for life adapting to land.
a)
Ordovician
b)
Devonian
c)
Cambrian
d)
Silurian
10.
359 Mya - 299 Mya. Known for high levels of oxygen and large amounts of coal reserves. Amphibians dominated life on land.
a)
Cambrian
b)
Carboniferous
c)
Ordovician
d)
Permian
11.
299 Mya - 252 Mya. Egg laying animals dominated this period. This period ended with most devastation extinction in history.
a)
Cambrian
b)
Carboniferous
c)
Ordovician
d)
Permian
12.
First known animal on land. It was a millipede.
a)
Wattieza
b)
Pneumodesmus
c)
Cynodont
d)
Dimetrodon
13.
Large mammal-like reptile that was an apex predator during the Permian period. It is known for having a large sail on its back
a)
Wattieza
b)
Pneumodesmus
c)
Cynodont
d)
Dimetrodon
14.
This plant formed the first forests. It had true roots and a solid trunk. It was found during the Devonian period.
a)
Wattieza
b)
Pneumodesmus
c)
Cynodont
d)
Dimetrodon
15.
An ancient ancestor to mammals found during the Permian period. It shares the same jaw structure and inner ear bone with us.
a)
Wattieza
b)
Pneumodesmus
c)
Cynodont
d)
Dimetrodon
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