4a-4c Ecology Test Review

An organism that harbors a parasite, mutual partner, or commensal partner, typically providing nourishment and shelter.

• Consumer

• Decomposer

• Host

• Prey

This is the interaction of two organisms where one is helped and the other is neither helped nor harmed.

• Commensalism

• Mutualism

• Levelism

• Parasitism

This is an organism that supplies matter and energy, also known as an autotroph.

• Consumer

• Decomposer

• Host

• Producer

This is the interaction of two organisms where both benefit.

• Commensalism

• Mutualism

• Levelism

• Parasitism

This is an organism which feeds on, but usually does not kill, a larger organism.

• Consumer

• Decomposer

• Host

• Parasite

This is an interdependent relationship between two different species.

• Commensalism

• Mutualism

• Parasitism

• Symbiosis

This is an organism that relies on other organisms for its food and energy supply; also called a heterotroph.

• Consumer

• Decomposer

• Host

• Prey

An animal that is killed and eaten by another animal.

• Consumer

• Decomposer

• Predator

• Prey

This is an organism that breaks down and gains nutrients from dead organisms.

• Consumer

• Decomposer

• Host

• Prey

This is an animal that lives by preying on other animals.

• Consumer

• Decomposer

• Predator

• Prey