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Producer organisms are at the base of all ecological pyramids. They are the only organisms which can make their own food (autotrophs). The overwhelming majority of them are green plants and single celled organisms which photosynthesise, though a few are chemautotrophs, that is they get energy from inorganic materials.

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8y ago
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9y ago

Plant life is at the base of all pyramids. This is because plant life is what feeds the herbivores. Then, the meat eating animals eat the herbivores.

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13y ago

A producer organism

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13y ago

Nutrition.

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Q: What is the base of all ecological pyramids?
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