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This program teaches one of the basic principles of life science: how organisms within a biological community depend on each other for food and survival. The concepts of autotrophs, heterotrophs, niches in a community, food chains, food webs, and energy pyramids are explored. With dazzling graphics, informative narration, dynamic animations, and sound effects-Food Chains & Webs provides a complete multimedia experience.
Topics include: Energy Transfer through Living Things, Food Energy through Photosynthesis, Autotrophs, Heterotrophs, Niches in a Community, Food Chains, Food Web, Energy Pyramid, Over Population, and Biological Magnification.