Mutualism is often the result of
a) competition
b)coevolution
c)symbiosis
d)cooperation

Symbiosis

Explanation:

Symbiosis is an association between two living organisms in which both the host and the symbiont benefit, i.e. the association is mutually beneficial. Example include the biflagellate bacteria that live in the rumen of ruminant. These produce the enzyme cellulase which digests cellulose. Most of the products of this digestion are absorbed by the host.

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.

yes it is   dangerous

explanation:

because that foot is discusting and could get you sick