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ecology terms

ecology study of all the interactions among organisms and their enviornment
abiotic factor any nonliving part of the enviornment , such as water, sunlight, temperature and air
biotic factor any living or once living part of the enviornment
population all of the individuals of one species that live in the same space at the same time
community all of the populations of different species in a given area that interact in some way and depend on one another for food and water
ecosystem all of the communities in a giving area and the abiotic factors that effect them
biosphere part of earth that supports life- the top part of earths crust, all the waters covering the earths surface and the surrounding atmosphere
population density # of individuals in a population
limiting factor any biotic or abiotic factor that limits the number of individuals in a population
symbiosis any close interactions among two or more species
niche role of an organism in the ecosystem
habitat place where an organism lives
food chain model that describes how energy passes from one organism to another
food web model that describes how enregy from food moves though a community
water cycle continuous cycle of water molecules on the earth throughout the process of evaporation,condensation, and precipitation
Created by: William_McNay1