Watch the food cycle and food chains 123Movies. Uses animation and live action photography to describe good food chains, almost all depending ultimately on green plants, and relates these food chains to the larger concepts of the oxygen-carbon dioxide and the nitrogen cycles, and to the unending pattern of life, growth, and decay which is known as the food cycle.
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A wounded moose escapes its hunters, later dying deep in the forest and becoming... a communal feast. As the seasons go by, mammals, birds and...
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'The Lost Salmon' chronicles the plight and potential recovery of the iconic Spring-run Chinook Salmon of the Pacific Northwest. Faced with...
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Through revealing interviews with experts and victims' families, this gripping documentary examines the problem of deadly foodborne illness in the US.
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This is a documentary about the fragile and complex marine ecosystem in the Bay of Fundy. The film traces relationships within the food chain - from...
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On the coast of the Arctic Ocean of Chukotka live people cut off from the world. Their life revolves around hunting walruses and whales and...
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PRIMAVERA is a three dimensional film featuring puppets that work in the so called telescope system which tries with the help of stylised images to...
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Three invertebrates - a water flea, a green hydra, and a planarian flatworm - engage in a food-chain fight after the hydra tries to eat the flea.
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A documentary which, as the name suggests, is about the early years of the Daleks. Presented by Peter Davison, it contains many interviews and clips...
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A documentary about the early years of the Cybermen. Introduced by Colin Baker, this includes several interviews and rare clips. Also included are...
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Following on from the other documentaries 'The Hartnell Years' and 'The Troughton Years', which showcased rare surviving episodes from incomplete...
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A documentary where Tom Baker watches and gives spontaneous reactions to numerous excerpts from his tenure on Doctor Who. Released on two VHS...