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What is an ecosystem, and how can we study one? Is the earth an open or closed system ... How do we define "biogeochemical cycles," and how are they important ...
http://www.globalchange.umich.edu/globalchange1/current/lectures/kling/ecosystem/ecosystem.html
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ecosystem
ecology
ecosystems
science
biomes
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Basic information and sketches of a few of the animals that inhabit oceans.
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science
biomes
ecosystems
habitats
environment
biology
ecology
geography
education
animals
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Covering five of the major world biomes. Also includes a FAQ section, news section, links to related sites, discussion boards, maps, and more.
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biomes
science
environment
ecology
ecosystems
habitats
biology
geography
biome
education
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No information avaiable
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science
ecosystems
interactive
prairie
biomes
environment
ecology
education
games
habitats
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There are four foodwebs to choose from: Australian Grasslands ... All rights reserved. First published 1999. Please read our Privacy and Security Statement ...
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science
ecology
foodweb
interactive
food
foodchains
biology
foodwebs
ecosystems
web
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What is a food chain? Find out why there are more herbivores than carnivores. ... Every time you run or jump, you are using up energy in your body. ...
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science
foodchains
food
ecology
foodwebs
ecosystems
biology
web
foodchain
animals
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Teacher-student project featuring the world's major biomes, with descriptions of their plants, animals, and climate.
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biomes
science
ecology
earth
environment
reference
research
animals
education
biology
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Alternatives to Slash-and-Burn. Arafura and Timor Seas. Argentina (Pampas) Australia (Northern Australia Floodplains) Brazil (São Paulo Greenbelt) ...
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environment
sustainability
ecology
ecosystem
research
conservation
biodiversity
politics
science
climate
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Provides information about their television programs, monthly essays, gardening tips, and eco-friendly products.
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ecology
environment
science
green
news
nature
energy
sustainability
biology
activism
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No information avaiable
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science
foodchain
games
simulation
biology
foodweb
ecosystems
interactive
environment
ecology
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Non-partisan, nonprofit organization of scientists founded to: stimulate sound ecological research and to promote the responsible application of ecological knowledge to public issues.
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ecology
environment
science
society
societies
biology
sustainability
education
resources
professional_organizations
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