Paleozoic: Question Preview (ID: 24522)

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The Paleozoic Era had several _________, the worst killing 95% of all living things.
a) volcanoes
b) earthquakes
c) mass extinctions
d) thunderstorms

Which of these is a living thing found in the Paleozoic?
a) Dinosaurs
b) Bacteria
c) Humans
d) Trilobites

The Paleozoic is know as the Age of _____?
a) Mammals
b) Invertebrates
c) Reptiles

At the beginning of the Paleozoic, life was found only in or near _______?
a) Trees
b) Flowers
c) Oceans
d) Land

The atmosphere during the Paleozoic contained ______ that could support life.
a) oxygen
b) nitrogen
c) carbon dioxide
d) helium

During the Paleozoic the Earth was experiencing an
a) meteor attack
b) uprising in Wal Mart stores
c) Ice Age
d) monsoon

Gondwanaland and Laurasia are ___________ found during the Paleozoic
a) super continents
b) amphibians
c) forms of bacteria
d) the first humans

How many years did the Paleozoic Era last?
a) 4.6 Billion
b) 325 million
c) 65 millon
d) 180 million

What happened to the Earth's interior during the Paleozoic?
a) Formed
b) Hardened
c) Exploded
d) Cooled Down

What are the dates of the Paleozoic Era
a) 4.6 by-570 mya
b) 570 mya - 250 mya
c) 250 mya - 65 mya
d) 65 mya - Present

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