Unit 3 Part 2 Vocabulary Review

Front

What type of relationship does a tapeworm have with its human host?

Back

Parasitism: A relationship where one organism benefits at the expense of another.

Front

In a food chain, what is the term for an organism that is caught and killed for food?

Back

Prey: The organism that is hunted and consumed by a predator.

Front

When a mosquito bites a human, what roles do each organism play?

Back

The human is the host, and the mosquito is the parasite.

Front

What type of relationship involves one organism benefiting while the other is neither helped nor harmed?

Back

Commensalism: A relationship where one organism benefits and the other is unaffected.

Front

What is the term for the position an organism holds in a food chain?

Back

Trophic level: The level at which an organism feeds in a food chain.

Front

What is symbiosis?

Back

Symbiosis: A close and long-term interaction between two different species.

Front

What is mutualism?

Back

Mutualism: A relationship where both organisms benefit from the interaction.

Front

What is predation?

Back

Predation: An interaction where one organism (the predator) hunts and eats another organism (the prey).

Front

What is a decomposer?

Back

Decomposer: An organism that breaks down dead or decaying organisms, returning nutrients to the ecosystem.

Front

What is the difference between a predator and prey?

Back

Predator: An organism that hunts and eats other organisms. Prey: An organism that is hunted and eaten.