How does this experiment illustrate natural selection ?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

Explain the significance of the increased cell specialization of the volvocine line

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