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Ecology S1,2,3


Population Density Number of individuals in a populationthe occupies an area of limited size.
Limiting Factor Any biotic or abiotic factor that limits the number of individuals in a population.
Symbiosis Any close interaction among two or more different species, including mutualism, commenism, and paratism.
Niche Role of an organism in the ecosystem including what it eats, how it interacts with other organisms and how it gets food or more.
Habitat Place where an organism lives.
Ecology study of all of the interactions among organisms and their enviroment.
Abiotic Factor A non-living part of the enviroment, such as water, sunlight, tempeture, and air.
Biotic Factor Any living or once living organism in the enviroment.
Population All of the individuals of one species that live in in the same space at the same time.
Commmunity All of the populations of different spheres in a given area that interacts in some way and depend on another for food, shelter, or other needs.
Ecosystem All of the communities in a given area and the biotic factors with them.
Biosphere Part of Earth that supports life; the top part of Earth's crust, all of the waters covering Earth's surface, and the surroundings atmosphere, all biome's ecosystem, communities and population.
Food chain Model that describes how energy passes from one organism to another.
Food web Model that describes how energy from food moves through a community, a series of overlapping food chains.
Water cycle Continous cycle of water molecules on Earth as the rise into the atmosphere, fall back onto Earth as rain or other precipitation, and flow into rivers and oceans through the process of evaporation, condensation, and precipitation.
Created by: arielle_marlow