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Energy Pyramids, Producers, Consumers, and Decomposers
Transcript of Energy Pyramids, Producers, Consumers, and Decomposers
When you hear the words energy pyramid, you may think of a wierd pyramid in Egypt. An energy pyramid is a diagram that shows how much energy is being passed through different types of organisms.
Consumers, Producers, and Decomposers
An energy pyramid is a graphical model of energy flow in a community.
A heterotrophic organism that feeds on other organisms in a food chain. Herbivores that feed on green plants or detritivores that feed on decaying matter are called primary consumers. Carnivores that feed on herbivores or detritivores are called secondary consumers, while those that feed on other carnivores are called tertiary consumers.
Plants are called producers. This is because they produce their own food! They do this by using light energy from the Sun, carbon dioxide from the air and water from the soil to produce food - in the form of glucouse/sugar.
Decomposers or saprotrophs are organisms that break down dead or decaying organisms, and in doing so carry out the natural process of decomposition.