Multiple choice

Which of the following is the earliest form of fossil in the phylogeny of horse?

  1. Eohippus

  2. Merychippus

  3. Equus

  4. Mesohippus

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A Correct answer
Explanation

The earliest form of fossil in the phylogeny of horse is Eohippus. The earliest horse had five-toed limbs whereas the present day or modern equus have one functional toe with a large hoof on each foot.