Nutrition and Heterotrophic Nutrition

Nutrition refers to the process of obtaining and utilizing food by an organism to maintain growth, repair tissues, and sustain life. Heterotrophic nutrition is a type of nutrition in which an organism cannot produce its food and relies on other organisms for the same.

Types of Heterotrophic Nutrition

Heterotrophic nutrition can be of different types based on the mode of nutrition. The types are:

1. Holozoic Nutrition: It is a type of heterotrophic nutrition in which an organism ingests solid food and then digests it internally. Most of the animals follow this type of nutrition.

2. Saprophytic Nutrition: This type of nutrition is followed by decomposers such as fungi and bacteria. They feed on dead and decaying organic matter and convert it into simpler substances.

3. Parasitic Nutrition: Parasites are organisms that live on or inside another organism and derive their nutrition from them. They harm the host and can cause diseases.

4. Symbiotic Nutrition: In this type of nutrition, two different species live together and share a mutually beneficial relationship. Lichen is an example of symbiotic nutrition, where algae and fungi live together and benefit each other.

Conclusion

Nutrition is an essential process for the survival and growth of living organisms. Heterotrophic nutrition is a type of nutrition in which organisms rely on other organisms for their food. There are different types of heterotrophic nutrition, such as holozoic, saprophytic, parasitic, and symbiotic. Each type of nutrition has its unique characteristics and plays a crucial role in the ecosystem.

Nutrition is a process of intake , as well as utilisation of nutrients by an organism .
heterotrophic nutrition ___ the nutrition of organism which need ready made complex organic molecules .
types of heterotrophic nutrition __
1 ) saprophytic nutrition
2 ) parasitic nutrition
3) holozoic nutrition