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UPSC Prelims PYQ 2010: Correct evolutionary sequence among given animals

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From the point of view of evolution of living organisms, which one of the following is the correct sequence of evolution?

Otter – Tortoise – Shark
Shark – Tortoise – Otter
Tortoise – Shark – Otter
Shark – Otter – Tortoise

Explanation

Option (b) is correct

Evolutionary progression follows:
Fish (Shark) appeared first
Reptiles (Tortoise) evolved later
Mammals (Otter) evolved last

Answer: (b) Shark – Tortoise – Otter

2010, Biology, General Science, UPSC Prelims PYQs

Evolutionary Sequence

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