+Primary producers are organisms, like plants and algae, that synthesize their own food from inorganic sources. Utilizing energy from sunlight through [Photosynthesis](/wiki/photosynthesis) or chemical reactions, they form the crucial base of nearly every [Food Web](/wiki/food_web) on Earth, providing energy for all higher trophic levels.
+## See also
+- [Food Web](/wiki/food_web)
+- [Consumer](/wiki/consumer)
+- [Photosynthesis](/wiki/photosynthesis)
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