Part D The idea of molecular clock genes has been studied for decades, but the hypothesis remains a
controversial topic in evolutionary biology. Why do you think that is the case? What are three questions
you still have about the use of molecular clocks?

answer; /// i believe that the correct answer is (50%);

b brown mice / white sand dunes

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.