Mutualism :Is when both organisms benefit of each other.

Commensalism :Is when one benefits and the other does not get harmed.

Parasitism :Is when one benefits and the other is harmed.

Parasite :An organism that harms but, benefits on an other.

Host :The organism the parasite is harming.

Niche :The organisms job in the ecosystem.

Community :A particular area in which organisms inhabit.

Ecosytem :The area as a whole in which it’s inhabitants live.

Population :The number of particular organisms that live in the ecosytem.

Diversity :The differences in organisms.

Adaptation : How an animal adapts.

Decomposers : Organisms that decompose.