Typically it'd be called spawning or in some cases it could be called "roe".
So either "spawn" or "roe".
Answer:
Coral polyps, which are animals, and zooxanthellae, the plant cells that live within them, have a mutualistic relationship. Coral polyps produce carbon dioxide and water as byproducts of cellular respiration. The zooxanthellae cells use carbon dioxide and water to carry out photosynthesis.
Explanation:
I don’t know if this is a question but yes a controlled experiment allows you to isolate and test the hypothesis
