Symbiosis

Symbiosis

Vocabulary

Ecosystem

All the living and nonliving things in an area.

Symbiosis

Interaction between organisms of two different species.

Predation

Relationship in which one organism eats another organism.

Competition

Relationship in which two organisms compete for the same resource.

Parasitism

Relationship in which one organism benefits and the other is harmed.

Mutualism

Relationship in which both of the organisms benefit.

Commensalism

Relationship in which one organism benefits and the other organism is neither helped nor harmed.

Food Web

Model showing where each organism in an ecosystem gets its energy.