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ecology

for ecology test

TermDefinition
ecology study of how animals work together with the animals and the environment
abiotic factor any nonliving part of the environment
biotic factor any living or once living organism
population all individual species that live in the same area
community all of the population of the species in a given area that interacts in some way
ecosystem all the communities in a given area of biotic and abiotic factors
biosphere top part of the earths crust that supports life on earth
population density # of individuals in a population occupies an area of limited size
limiting factor any factor that limits the organisms that can live in a given area
symbiosis interactions between two or more species including mutualism,commenalism,parasitism
niche role of an organism in the ecosystem
habitat place where an organism lives (the organisms job)
food chain model that describes how energy passes form one organism to the next
water cycle the cycle in which water goes in with precipitation
food web model that describes how energy from food moves through a community a series of over lapping food chains
Created by: jack_henry
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