Nutrition in Living Organisms
It is the process of obtaining nutrients from the environment.
It is an important source of energy for growth and development of body.
Modes of nutrition
- Autotrophic nutrition – Organisms synthesize their own food with the help of raw materials. Example – all green plants
- Autotrophic nutrition is of two types- Phototropic and chemotropic nutrition.
- Heterotrophic nutrition – Organisms derive energy (nutrition) from the food prepared by plants. Example – All animals, bacteria, and fungi
- Heterotrophic nutrition is of three types – holozoic nutrition, saprophytic nutrition, and parasitic nutriti…
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