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Vocabulary #22
5th Grade Science - Criswell Elementary
Term | Definition |
---|---|
organism | a living thing |
classification | the grouping of organisms based on their similarities and differences |
species | a group of organisms of the same kind that can mate and produce offspring |
community | populations of different kinds of organisms that live in the same place at the same time |
habitat | the environment where an organism lives |
niche | the role that an organism plays in its habitat |
adaptation | a structure of behavior that helps an organism survive in its surroundings |
oxygen and carbon dioxide cycle | the movement of carbon dioxide and oxygen between organisms and the air |
food chain | the path of food energy from on organism to another in an ecosystem |
food web | overlapping food chains with different pathways for the flow of food energy in an ecosystem |