An ecosystem is a natural unit consisting of all plants, animals and micro-organisms (biotic factors) in an area functioning together with all of the non-living physical (abiotic) factors of the environment. ...
http://en.wikipedia.org/wiki/Ecosystem
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An ecosystem is a specific area of size in which climate, landscape, animals and plants are constantly interacting. Different areas of the world house different ecosystems. ... Landscape also determines where plants and animals might live. But what, exactly, is an ecosystem? An ecosystem is a geographical area of...
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www.abheritage.ca/abnature/Ecosystems/intro.htm
www.abheritage.ca/abnature/Ecosystems/intro.htm
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ecosystem is a community of plants, animals and smaller organisms that live, feed, reproduce and interact in the same area or environment . Some ecosystems are very large. For example, many bird species nest in one place and feed in a Whil...
http://www.ubcbotanicalgarden.org/kids/ecosystem.php
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Community of plants and animals is along with the surroundings and a kallum is the
http://wiki.answers.com/Q/What_is_Ecosystem
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An ecosystem is a dynamic complex of communities of plants, animals, and microorganisms and their non-living environment, interacting as a functional unit. An ecosystem thus includes the soil, air, water, and living organisms in a defined o...
http://www.epa.gov/ecology/faq.htm#08
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Ecosystem Approach in the U.S. Fish and Wildlife Service ... Ecosystem Conservation ... What is an ecosystem? It is a geographic area including all the living organisms (people, plants, animals, and microorganisms), their physical surroundings (such as soil, water, and air), and the natural cycles that sustain them.
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ecosystems.fws.gov/index.html
ecosystems.fws.gov/index.html
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Learn about the different ecosystems and biomes on our planet. Also, find out about the water, carbon, and nitrogen cycles, as well as the food chain. Find out how we are disrupting these important processes. ... What is an Ecosystem? ; Most of us are confused when it comes to the words ecosystem and biome.
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library.thinkquest.org/11353/ecosystems.htm
library.thinkquest.org/11353/ecosystems.htm
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; Learn more about our research ... ; Our science informs environmental policy ... footer: Cary Institute of Ecosystem Studies, Millbrook, New York (845) 677-5343...
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