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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