What is the Difference Between Autotrophic Nutrition and Heterotrophic Nutrition?

February 27, 2023 | by Yashaswi Pathakamuri | Posted in FAQ's

Autotrophic and heterotrophic nutrition are two distinct modes of nutrition found in living organisms.

Autotrophic nutrition is the process by which an organism makes its own food using simple inorganic substances such as carbon dioxide and water, in the presence of sunlight or other forms of energy. These organisms are known as autotrophs and include green plants, algae, and some bacteria. Autotrophs are capable of synthesizing complex organic compounds such as sugars, starches, and proteins, which they use as a source of energy and building blocks for growth and development.

Heterotrophic nutrition, on the other hand, is the process by which an organism obtains food by consuming other living or dead organic matter. These organisms are known as heterotrophs and include animals, fungi, and most bacteria. Heterotrophs are incapable of synthesizing their own food and must rely on other organisms for their nutrition. They obtain complex organic compounds such as sugars, amino acids, and lipids from the food they consume, which they use as a source of energy and building blocks for growth and development.

In summary, the key difference between autotrophic and heterotrophic nutrition is that autotrophs can make their own food using simple inorganic substances, while heterotrophs must consume other organisms to obtain their food.

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