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Evolution

Question
CBSEENBI12046944

Assertion : The earliest fossil form in the phylogeny of horse is eohippus.

Reason : Eohippus lived during the early pliocene epoch.

  • If both assertion and reason are true and reason is the correct explanation of assertion

  • If both assertion and reason are true but reason is not the correct explanation of assertion

  • If assertion is true but reason is false

  • If both assertion and reason are false

Solution

C.

If assertion is true but reason is false

The evolution of Horses include- small, terriero sized  Hydracotherium eohippus to the large modern horse, Equus eohippus, found in Eocene period.

Eohippus was the earliest known horse. It is also known as Hyracotherium. It was only 2 feet long and 8 to 9 inches high at the shoulder. It had 4 hoofed toes on front feet and 3 hoofed ant on each hind foot. It had long skull with 44 long crowned teeth. 

This horse was a herbivore that mainly ate soft leaves and plant shoots. It lived early during Eocene Epoch ie, 50 million years ago.