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PSSA Vocab Unit 1

TermDefinition
Ecosystem A community of living organisms and their interrelated physical and chemical environment.
Environment Total of the surroundings(air, water, soil, vegetation,people&wildlife)influencing each living beings existence, including physical, biological & all other factors; surroundings of a plant or animals including other plants & animals, climate & location.
Homeostasis 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.
Created by: 21stewart.sam
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