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Geologic Time Scale Happenings
Test Description: Animals/major events throughout Geologic Time.
Instructions: Answer all questions to get your test result.
1) During which era did the supercontinent Pangaea began to break up?
A
Mesozoic
B
Precambrian
C
Cenozoic
D
Paleozoic
2) The current geologic period is called the ____.
A
Silurian
B
Quaternary
C
Mesozoic
D
Tertiary
3) What event may have triggered the great Paleozoic (Permain) extinction?
A
heightened solar activity
B
changes in Earth's orbit
C
meteorite strike
D
climatic change
4) What happened to all the continents by the end of the Permain Period?
A
They formed Gondwana.
B
They split in half.
C
They fused into Pangaea.
D
They moved toward the poles.
5) Mammals became dominant only after ____.
A
dinosaurs became extinct
B
the Cenozoic Era ended
C
continental glaciers retreated
D
inland seas dried up
6) One group of reptiles, characterized by the fossil Archaeopteryx, led to the evolution of ____
A
cephalopods
B
birds
C
mammals
D
dinosaurs
7) In the early Paleozoic, life was only found in/on the ____.
A
air
B
islands
C
islands
D
seas
8) Why did amphibians diversify so rapidly during the late Paleozoic?
A
They adapted to the cold climate.
B
They could breathe underwater.
C
They had little competition from other land dwellers.
D
They were excellent hunters.
9) Which period is known as the “age of fishes”?
A
Devonian
B
Mississippian
C
Permian
D
Jurassic
10) Which of the following was NOT one of the changes in development and specialization that primitive mammals underwent?
A
increase in stomach capacity
B
specialization of teeth
C
increase in size
D
increase in brain capacity
*select an answer for all questions
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