Hemoglobin from two species is compared. on the long protein chains, there are three locations where the amino acids are different. where would you place the common ancestor of the two species on the "tree of life," and why?

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae