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Ecosystems
Life Science
Term | Definition |
---|---|
organism | any individual living thing |
population | all of the same kind of organisms in an area |
community | all of the living populations in an area |
producer | an organism that can produce its own food for energy |
consumer | an organism that eats other living things to get energy |
decomposer | an organism that get their energy from once living things |
food chain | a model that shows one set of feeding relationships among living things |
food web | a model that shows many different feeding relationships among living things |
environment | all the living and nonliving things that surround an organism |
habitat | the place in which an organism naturally lives |
niche | the role of an organism in its environment |
classification | to group things based on similar characteristics |
dicotomous key | an scientific tool, used to identify different organisms, based on observable traits |
species | organisms that share the same characteristics and features |
ecosystem | all living and nonliving things in their environment, |