Earth has three main climax zones because of the differences in latitude and ?

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

The energy available as a result of the motion of a body is called energy. -potential -gravitational -kinetic -chemical

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time