¿Cual es la diferencia entre los peces hermafroditas simultáneos, hermafroditas protándricos y hermafroditas protogínicos? urgente qwq

What protects the lining of the stomach from acidic gastric juices?

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

Twin boys have girlfriends one of the couples have a baby would the dna of the lil baby be the same as the couples dna bc the boys are identical twins