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The Food Chain

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The sun is the major source of energy for Earth. Producers such as plants harness this energy. Plants absorb less than one percent of the light that reaches the Earth. Yet plants and other photosynthetic organisms make over 170 billion metric tons of food a year. The energy captured by producers is used to make all of the organic matter in the environment which is called biomass

Dog and food imageFood Chains
Food chains form the basic structure of how producers, consumers, and decomposers interact in an environment. A food chain is a series of organisms that transfer food between different levels of an ecosystem.

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The Environment The Food Chain The Water Cycle The Carbon Cycle The Nitrogen Cycle Environmental Hazards