According to the theory of evolution, amphibians evolved from ancient fish. Which of these would best validate the theory?

A. Record of the history of a place
B. A study published by a research scholar
C. Record of temperature changes of a place
D. A study supporting the theory by many scientists



Answer :

Final answer:

Acanthostega was an intermediate form between lobe-finned fishes and early terrestrial tetrapods, providing evidence for the theory of amphibians evolving from ancient fish.


Explanation:

Acanthostega was an aquatic tetrapod that is considered an intermediate form between lobe-finned fishes and early terrestrial tetrapods. It had gills like fishes and limbs similar to present-day tetrapods, including amphibians. This supports the theory that amphibians evolved from ancient fish.


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