Describe the differences between an energy pyramid, a biomass pyramid, and and energy pyramid?

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

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data.