Food Chains A food chain consists of a single series of organisms, each one feeding on the next. What is a Food Chain? Producers, Consumers and Scavengers Energy and Nutrient Flow

 

Food Pyramids A food pyramid shows the transfer of matter within an ecosystem. How Are Food Pyramids Different to Food Chains? The Role of the Sun

 

Food Webs Food webs join many food chains, to demonstrate the inter-relationship between them in an ecosystem. Why does the loss of one animal affect all others? Upsetting the Balance What really killed the Dinosaurs? Insecticides - curse or cure? Food Webs in the Alaskan Wilderness

 

Environmental Management Indigenous Management of Food Resources Nature's Self-Management Loaves and Fishes - Feeding the Masses