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Audio Video Interleaved Video  |  2003-05-20  |  1.1 MB  |  368x272  |  1fps  |  38 seconds
Transcription: Almost all the energy in living organisms comes from the sun. Producers use the sun's energy to make food for themselves so that they can grow and mature. Consumers eat that food. Some consumers, like the giraffe, eat the producers directly. Other consumers, like the lioness, eat the consumers who eat the producers. Either way, the food that is in the consumers originated in the producers and that food was made with energy from the sun. Eventually, producers and consumers die. Decomposers feed on their decaying remains. This process actually makes nutrients which the producers can use like vit ...