Coral and algae have a reciprocal relationship in which the algae perform photosynthesis, providing the coral with some nutrients and with the calcification process. in return, the coral provide the algae with certain nutrients and a place to live in a lighted environment. this is an example of a relationship.

Mutualism

Explanation:

It is a relationship that benefits both species.

coevolution relationship

Explanation:

coevolution is the process that occurs between two or more species that reciprocally affect each other life. this occur when two or more species benefits from each other.

for example: flowering plant and insect (in the process of pollination), predator - prey, host-parasite relationship

true is the answer : )