During which period Ancestral amphibians (tetrapod's) were evolved?

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Devonian period

Carboniferous period

Jurassic period

Cretaceous period

answer is D.

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Detailed Solution

Concept: The advancement of tetrapod's started around 400 million years ago, a longtime prior within the Devonian period. The most punctual tetrapod's are advanced from lobe-finned fishes.

Tetrapoda, incorporates all living and terminated creatures of land and water (reptiles, fowls, and mammals). Hence genealogical creatures of land and water were tetrapod's that advanced amid the Devonian period. The evolution of the tetrapod's started about 400 million years ago in the Devonian period. The earliest tetrapod's evolved from the lobe-finned fishes. The Tetrapoda contains all living and extinct amphibians, reptiles, birds, and mammals.

Therefore, the Ancestral amphibians were tetrapod's that evolved during the Devonian period.

Hence, the correct answer is option D.

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