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Q.

The 'Devonian period' is thought to be as which of the following?

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a

Age of mammals

b

Age of reptiles

c

Age of amphibians

d

Age of fishes

answer is D.

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Detailed Solution

The Devonian period in the Paleozoic era is also known as the 'Age of Fishes' because a remarkable diversity of fish was produced during this time. Most prevalent were the armoured placoderms with strong jaws lined with blade-like plates that served as teeth.

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