Autotrophic Nutrition - Definition, Types and Examples Last Updated : 10 Jul, 2023 Comments Improve Suggest changes Like Article Like Report Autotrophic nutrition is the process by which an autotrophic organism utilizes inorganic substances from the environment and produces organic compounds that are further used to produce energy and perform various cellular processes. In simple terms, nutrition is the most common way of taking in food and changing it over it into energy and other essential nutrients expected forever. There are two forms of nutrition among living life forms, that are; Autotrophic modeHeterotrophic modeWhat are Nutrients?Nutrients are substances that give energy and are utilized for synthesizing biomolecules important to completing the different body capabilities. All living organic entities need nutrients for legitimate work and development. Be that as it may, A few creatures feed on straightforward inorganic mixtures to meet their supplement necessity, while others use complex mixtures. The method of nutrition varies from organism to organism. Autotrophic NutritionAutotrophic word is formed from the combination of two words: auto and trophic i.e., Self and nutrition. In the autotrophic mode, living beings utilize straightforward inorganic substances like water and carbon dioxide with the help of a source of energy. Such living beings are called autotrophs. They are also called producers are they responsible for the production of organic food that is required for the survival of each and every living organism on the planet. Plants, green algae, and microbes (cyanobacteria) are a few organisms where autotrophic nutrition can be seen. Autotrophs are the producers of organic food. The food produced by autotrophs is additionally utilized by individuals and many, numerous different creatures or consumers. Autotrophs can be of two types; Photosynthetic Autotrophs or PhotoautotrophsPhotosynthesis is the process by which the sun's light energy is trapped with the help of chlorophyll pigment present in green leaves, which is used to convert carbon dioxide, and water to synthesize organic food i.e. glucose. This process is non-oxygenic i.e. it does not utilize oxygen but instead releases oxygen and the organisms are called photoautotrophs. Examples are; green plants, green algae, etc. Chemosynthetic Autotrophs or ChemoautotrophsChemoautotrophs utilize synthetic energy rather than light energy for the synthesis of organic food that is produced by the oxidation of synthetic mixtures, for example, natural or inorganic. Chemosynthetic microscopic organisms assume a huge part in reusing supplements like nitrogen, phosphorus, iron, and sulfur. These can be of the following sub-types: Nitrifying microorganisms: They oxidize nitrogenous and get energy. It performs nitrifying activity in the accompanying two stages:Stage 1. Change of NH3 to NO2-by Nitrosomonas and NitrococcusStage 2. Change of NO2-to NO3-by Nitrobacter and NitrocystisIron microscopic organisms: for example Ferrobacillus, which changes Fe2+ over completely to Fe3+Hydrogen microscopic organisms: for example Hydrogenomonas, which changes H2 over completely to H2OMethane microbes: for example Methanomonas, which changes CH4 over completely to CO2Sulfur microscopic organisms: These are of the accompanying two sortsWhich changes H2S over completely to S., Example BeggiatoaWhich covers S to H2SO4. For example Thiobacillus and Thiooxidans. Heterotrophic NutritionEach living being isn't fit for the synthesis of organic food on its own. Such organisms rely upon the producers or autotrophs directly or indirectly for their nutrition. These organisms are called heterotrophs and the method of nutrition is known as heterotrophic nutrition. Animals, parasites, etc. are some of the examples. Comment More infoAdvertise with us Next Article Heterotrophic Nutrition M mavilapallifd5f Follow Improve Article Tags : School Learning Class 10 Biology Similar Reads CBSE Class 10 Biology Syllabus 2023-2024 Exam CBSE Class 10 Biology Syllabus: Biology is a crucial subject that forms an integral part of the CBSE Class 10 syllabus. The CBSE Class 10 Biology syllabus 2024 is designed to provide students with a fundamental understanding of the living world around them. It encompasses a wide range of topics, inc 4 min read CBSE Class 10 Biology Chapter-Wise Notes CBSE Class 10 Chapter-wise Notes of Biology is useful for students to quickly revise important topics for their board examination. 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Nutrition can be divided into two main types: The autotrophic mode of nutrition, where organisms produce their own food, and the heterotrophic mode of nutrition, where organisms consume othe 8 min read Autotrophic Nutrition - Definition, Types and ExamplesAutotrophic nutrition is the process by which an autotrophic organism utilizes inorganic substances from the environment and produces organic compounds that are further used to produce energy and perform various cellular processes. In simple terms, nutrition is the most common way of taking in food 4 min read Heterotrophic NutritionHeterotrophic mode of nutrition is most commonly seen in humans. Nutrition is broadly classified into two types- Autotrophic nutrition and Heterotrophic nutrition. In heterotrophic nutrition, the organism obtains and uses organic nutrients from other species. 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