Vitamin b12 is important for the body to function. it keep nerve cells healthy, and it with the formation of red blood cells. when someone is vitamin b12 deficient, one of the reasons could be that the person’s is the vitamin efficiently. 1: a. large intestine b. small intestine c. stomach 2: a. absorbing b. digesting c. moving

According to the theory of punctuated equilibrium, at what rate does speciation occur? species change depending on the rate of natural selection. after periods of stasis, new species evolve relatively rapidly. species change slowly and eventually form new species. some species change quickly and others change slowly to balance the overall rate.

What do animals wth echolocation have in common other than echolocation

Explain how the political influence of african americans leaders became weaker.