Is a mechanism for change in a population in which organisms with favorable variations live, reproduce, and pass on their favorable traits. a. mimicry c. independent assortment b. mutation d. natural selection

Study this image. which statements best describe the rock shown? check all that apply. the grains of this rock are jagged. this rock has several coarse grains. the grains in this rock are very large. this rock has a non-banded pattern. the color of this rock is determined by its texture.

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

Dna replication or repair occurs in a cell in all of thw following situations except when