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PSSA vocab unit 1
Term | Definition |
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ecosystem | A community of living organisms and their interrelated physical and chemical environment |
enviroment | The total of the surroundings influencing each living being’s existence, including physical, biological and all other factors; the surroundings of a plant or animals including other plants or animals, climate and location |
homestasis | The tendency for a system to remain in a state of equilibrium by resisting change |
abiotic | A nonliving factor or element (e.g., light, water, heat, rock, energy, mineral). |
biotic | An environmental factor related to or produced by living organisms |
biomes | A community of living organisms of a single major ecological region |
niche | The role played by an organism in an ecosystem; its food preferences, requirements for shelter, special behaviors and the timing of its activities (e.g., nocturnal, diurnal), interaction with other organisms and its habitat |