Question : The mode of nutrition in which organisms make food themselves from simple substances is called_______.
Option 1: heterotrophic nutrition
Option 2: autotrophic nutrition
Option 3: saprotrophic nutrition
Option 4: phototrophic nutrition
Correct Answer: autotrophic nutrition
Solution : The correct option is autotrophic nutrition .
"Autotrophic nutrition" is the form of nutrition in which organisms produce their food from basic materials. Through the process of photosynthesis autotrophic organisms—like plants and some types of bacteria—can produce their food. These creatures use sunlight during photosynthesis to help their green pigment, chlorophyll, transform carbon dioxide and water into glucose, sugar, and oxygen.
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