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Science PSSA unit 1
Term | Definition |
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Ecosystem | A community of living organisms and their interrelated physical and chemical environment. |
enviornment | the total of the surroundings influencing each living being's existence, including physical, biological and all other factors;the surroundings of a plant of animals including other plants or animals, climate and location. |
Homeostasis | the tendency for a system to remain in a state of equilibrium by releasing change. |
biotic | An enviornmental factor related to or produced by living organisms |
biomes | a community of living organisms of a single major ecological region. |
niches | 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. |