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Modes of Nutrition for 10th class

Modes of Nutrition in Organism

1. Autotrophic mode of nutrition:- In this mode of nutrition, organisms synthesize their own food by using simple raw materials from their environment . Examples are Plants , some bacteria, algae and euglina.

It has following sub types 
  • Photo-autotrophic Nutrition:- In this mode of autotrophic  nutrition organisms synthesize their own food by using simple raw material from their environment e.g carbon dioxide,water and sunlight. examples are Plants , Algae etc. These organisms have special units in their cell to trap sunlight called as Chloroplast which are green in color.
  • chemo-autotrophic nutrition:- In this mode of nutrition organisms synthesize their food from some chemicals. e.g some bacteria (sulfur-oxidizing bacteria, nitrogen-fixing bacteria)

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