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.

the function of the protein macromolecule is to move things in and out of the cell and transport other molecules in the body. there are many functions of proteins. they are the basic building blocks of living things and are responsible for the growth and repair of body cells and tissues.

explanation: