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From CreationWiki, the encyclopedia of creation science

Phototrophs are the organisms that gain the energy from the light and have carbon in an organic form. [1]

Phototrophic organisms perform photosynthesis to gain their energy. (Photo means light and troph means nutrition in Greek.) Aquatic organisms are examples of phototrophic organisms. They produce starch to use when the organisms do not have much energy to conserve. [2]