| http://www.w3.org/ns/prov#value | - Algae - Wikipedia, the free encyclopediaAlgae are a very large and diverse group of eukaryotic organisms, ranging from unicellular genera such as Chlorella and the diatoms to multicellular forms such as the ... autotroph - National Geographic EducationAn autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals.
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