Ecosystems Vocabulary

the struggle between organisms to survive in a habitat with limited resources

• competition

• cooperation

• coexistence

• commensalism

two or more organisms working to achieve a common goal

• commensalism

• competition

• coexistence

• cooperation

two organisms live in the same habitat, but do not compete for resources

• commensalism

• coexistence

• cooperation

• competition

an interaction in which one organism (predator) kills another (prey) for food

• symbiosis

• parasitism

• predation

• mutualism

a relationship in which organisms from two different species live in direct contact with one another

• symbiosis

• coexistence

• predation

• cooperation

a form of symbiosis in which both organisms benefit

• commensalism

• parasitism

• predation

• mutualism

a form of symbiosis in which one organism benefits and the other is not affected

• mutualism

• commensalism

• parasitism

• predation

A form of symbiosis in which one organism benefits by harming the other

• commensalism

• predation

• mutualism

• parasitism

non-living (never lived)

• biotic

• abiotic

• commensal

• symbiosis

living (or previously lived)

• biotic

• abiotic

• symbiosis

• predator