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