Answer:
This is an example of a symbiotic relationship.
Explanation:
A symbiotic relationship is a close, prolonged association between two or more organisms of different species that normally benefits both members. A good example of symbiotic relationship is a coral and algae, bacteria in the human gut etc
From the information provided, the algae perform photosynthesis, providing the coral with nutrients for feeding and help with calcification. In return, the coral provide the algae with nutrients for it's growth.
