Ecology Big 20

An organism that breaks down dead organic matter to obtain energy, and in the process returns nutrients back into the environment.

A consumer that eats only plants.

An organism's particular role in an ecosystem, or how it makes its living.

A close relationship between two species that benefits at least one of the species.

The natural home or environment of an animal, plant, or other organism.

A consumer that eats both plants and animals.

A series of steps in which organisms transfer energy by eating and being eaten.

A relationship between two species in which both species benefit.

A community of organisms and their abiotic environment.

An animal that hunts other animals for food.