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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, |