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  1. Autotroph - Wikipedia

    Autotrophs are fundamental to the food chains of all ecosystems in the world. They take energy from the environment in the form of sunlight or inorganic chemicals and use it to create fuel …

  2. Autotroph | Photosynthesis, Carbon Cycle, Energy | Britannica

    Autotroph, in ecology, an organism that serves as a primary producer in a food chain. Autotrophs obtain energy and nutrients by harnessing sunlight through photosynthesis (photoautotrophs) …

  3. Autotroph - National Geographic Society

    Nov 18, 2024 · An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are …

  4. What Are Autotrophs? Definition, Types, and Examples

    Aug 26, 2025 · The ability to create their own organic matter from inorganic precursors makes autotrophs distinct from heterotrophs, which must obtain their food by consuming other …

  5. Autotrophs- Definition, Types and 4 Examples - Microbe Notes

    Aug 3, 2023 · Autotrophs are organisms that are capable of producing their own food by using various inorganic components like water, sunlight, air, and other chemical substances.

  6. Autotrophs – Definition, Types, Importance, Examples

    Mar 31, 2024 · Autotrophs are remarkable organisms that possess the ability to manufacture intricate organic compounds, including carbohydrates, fats, and proteins, from simple …

  7. Autotroph | Research Starters - EBSCO

    Primarily consisting of plants and certain bacteria, autotrophs utilize processes like photosynthesis to convert sunlight, carbon dioxide, and water into glucose and oxygen.

  8. What Are Autotrophs? - Science ABC

    Jun 2, 2024 · Autotrophs are often called producers, and they make up the main supporting base of the food chain in every ecosystem, providing the fuel that all living organisms need to exist. …

  9. Autotroph - Definition, Types and Examples | Biology Dictionary

    Oct 28, 2018 · Autotrophs are organisms that can produce their own food, using materials from inorganic sources. The word “autotroph” comes from the root words “auto” for “self” and “troph” …

  10. Autotroph - GeeksforGeeks

    Jul 23, 2025 · Autotrophs examples include plants, algae, and certain bacteria. Autotrophs play a vital role in the carbon cycle, producing oxygen as a byproduct of photosynthesis and serving …