What's the common ecosystem of a Paramecium aurelia

Paramecium live in aquatic environments, usually in stagnant, warm water. The species Paramecium bursaria forms symbiotic relationships with green algae. The algae live in its cytoplasm. Algal photosynthesis provides a food source for Paramecium.

the cell cycle is the final answer! : )

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.