: Remembering that cells in the epidermis get all their nutrients via diffusion from the blood vessels in the dermis, why would it be useful for the connection between the two layers to have more surface area?

Leila has dimples because she received a gene copy from her father that coded for dimples. this means that dimples are an example of a trait that is

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 is a true statement? question 8 options: populations can't evolve, only individual organisms. individuals have adaptations that can change over time. individuals have traits that may or may not make them successful at reproduction. individuals evolve to have adaptations.