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T3.1 Living Things

3.1 Living Things & The Environment

TermDefinition
organism a living thing
habitat an environment that provides the things a specific organism needs to live, grow and reproduce.
biotic factor a living or once living part of an organism's habitat
abiotic factor a nonliving part of an organism's habitat
population all the members of one species living in the same area
community all the populations that live together in a certain area
ecosystem the community of organisms that live in a particular area, along with their nonliving environment
limiting factor an environmental factor that causes a population to stop growing or decrease
Ecosystem Organization Organism, Population, Community, Ecosystem
population density number of individuals in an area of a specific size
birth rate number of births per 1,000 individuals for a given time period
death rate number of deaths per 1,000 individuals for a given time period
immigration moving INTO a population
emigration moving out of (Exiting) a population
Limiting Factors Food, water, climate, weather, space & shelter
Created by: DanetteWeisman
Popular Ecology sets

 

 



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