What do you call all of the genes in a population? gene pool

genetic drift

relative frequency

allele pool

Photosynthesis converts solar energy into what type of energy?

Are salt and soap nutrients or toxins for yeast? explain.

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