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Food Chains & Webs- Upgraded

Food Chains and Webs illustrates
one of the most fundamental concepts in life science: how organisms in
biological communities depend upon one another for energy and survival. Learn
about different types of autotrophs and heterotrophs and their niches. Explore
different ways of examining community trophic structures through various food
chains, food webs and ecological pyramids. Biological magnification and human
interactions with food chains and webs wrap up the program and demonstrate the
interrelatedness of communities and their relevance to students' lives.
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Order #X0991112HY IBM\MAC CD-ROM $89.95 UPGRADE: $22.99
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