Question 1 What is heterotrophic nutrition?
Question 2 What is saprophytic nutrition. Give example?
Question 3 What is parasitic nutrition. Give example?
Question 4 What is holozoic nutrition. Give example?
Contents
Heterotrophic Nutrition
The mode of nutrition in which organism cannot make its own food from simple inorganic material and depend on other organism for its food.
Types of heterotrophic Nutrition
1) Saprophytic Nutrition
The mode of nutrition in which organism obtain its food from decaying organic matter of dead plants, animals, rotten bread etc.
For Example : Mushroom, yeast, bread moulds etc.
2) Parasitic Nutrition
It is that nutrition in which an organism derives its food from the body of another organism without killing it.
The organism which obtain the food is called parasite
The organism from whose body food is obtained is called host
For Example : Roundworm, plasmodium.
3) Holozoic Nutrition
It is that nutrition in which an organism takes the complex organism food material into the body by process of ingestion, the ingested food is digested and then absorbed into body cells.
For Example : man, cat, dog, frog, fish etc.
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