The answer is B) A Eukaryotic animal
One result is that the ovaries would be unable to produce oocytes (eggs) for fertilization hence the woman would be unable to conceive. Another is that the woman would have an abnormal menstrual cycle due to abnormalities in the production of estrogen and progesterone by the ovary.
Answer: Bio film that grows on the logs and feeds the lake.
Natural variation provided the phenotypes that natural selection then acted on, over time causing evolution
