Ecosystem Vocabulary I Review

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

A relationship between two organisms in which one organism benefits and the other is harmed.

An organism that obtains food by eating other organisms or their products.

The position of an organism in relation to energy flow and nutrients through an ecosystem.

An organism that is killed and eaten by another organism.

An organism that feeds on the bodies of dead animals.

An organism that obtains energy by feeding on other organisms.

A series of events in which one organism eats another and obtains energy.

An organism that gets its energy by breaking down the remains of dead organisms.

A relationship between two organisms where one organism benefits and the other is unaffected.

An organism that eats only plants.

An organism that makes its own food.

An animal that eats both plants and animals.

An animal that hunts other animals for food.

A relationship between two organisms in which both species benefit.

A common demand by two or more organisms upon a limited supply of a resource.

A community of organisms in which there are several interrelated food chains.

An animal that eats other animals.

An organism that makes its own food by using energy from its surroundings.