The naturalist charles darwin, who is credited with developing the theory of evolution by natural selection, suggested that adaptations of organisms were the result of a. their genetic structure, which is indicated by internal genetic codes. b. how much sunlight an organism is exposed to. c. adaptations to different environmental conditions. d. how much activity an organism has, including the amount of time it spends sleeping. e. the number of years of an organism's existence.

C.

Explanation:

C seems to be the best answer.

advantage of using stem cells in medical research:

1.       it provides medical benefits in the fields of therapeutic cloning and regenerative medicine.

2. it provides great potential for discovering treatments and cures to a variety of diseases including parkinson disease, spinal cord injuries, diabetes, alzheimer’s disease and many more.

3. limbs and organ could be grown in lab from stem cells and then used in transplant or treat illness.

the correct answer is b. possesses the characteristic of compartmentalization of organelles, wherein the organelles are bound by membranes.

explanation: