The success of mammals on earth is largely because

(A) : The success of mammals is largely due to their ability to maintain a constant body temperature. (R) : Plants do not possess mechanism to maintain their internal temperature.

Evolutionary biologists believe that the success of mammals is largely due to their ability to maintain a

Human intestine is large because.....

The aperture of a telescope is made large, because

The aperture of a telescope is made large, because

Whale is a mammal because

Whale is a mammal because

The rate of conduction in myelnated fibre of a mammal is very high because