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Glossary of Ecosystem 2

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CONSUMER
An organism in a community that must eat to get the energy it needs.
Population
Individuals of the same kind living together in the same environment.
DECOMPOSER
Consumer that breaks down the tissues of dead organisms.
What is a community?
All different kinds of populations living together in an environment.
Individual
A single organism in an ecosystem.
COMPETITION
The contest among organisms for the limited resources of an ecosystem.
What is an ECOSYSTEM?
A community and its physical environment together.
FOOD CHAIN
The ways in which the organisms interact with one another according to what they eat.
PRODUCER
An organism that makes its own food.
HABITAT
The place where every population lives in an ecosystem.
NICHE
Each population's role or job in its habitat.

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