photoautotroph
/ˌfoʊtoʊˈɔtəˌtroʊf/
noun
- An organism, such as a plant or alga, that uses light energy to make its own food from carbon dioxide and water.
- Without photoautotrophs, life on Earth would not have enough oxygen.
- Algae are important photoautotrophs in aquatic ecosystems.
- Most plants are photoautotrophs, using sunlight to produce energy through photosynthesis.
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