Which of the following was the transitional stage between apes and humans

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

Reason : Eohippus lived during the early pliocene epoch.

Carbohydrates, lipids and protein are formed from their basic building blocks by

During evolution of man many changes have taken place in his ancestral characters. Which one of the following is an unsignificant change