Question

define nutrition and describe it's types ​

Answer 1

Answer:

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Nutrition is defined as the process of taking food to carry out different functions of the body needed for the survival of the organisms. The two main type of nutrition is autotrophic and heterotrophic. ... Parasitic mode of nutrition occurs when an organism derives its nutrition from other living organisms.

Answer 2

Nutrition can be divided into five steps-

1. ingestion.
2. digestion.
3. absorption.
4. assimilation.
5. egestion.

• Ingestion:- The process of taking food into the body is called ingestion, Animals use various ways to ingest food.

• Digestion:- The food that animals eat cannot be used directly to get energy. It has to be broken down into simpler substances that can be easily absorbed. The process of breaking down complex food into simpler substances is called digestion.

• Absorption :- The process by which thedigested food moves into the blood and cells of the body is called absorption.

• Assimilation:- The process by which the absorbed food is used by the body to generate energy and carry out its life functions is called assimilation.

Egestion:- The process by which theundigested food and waste is sent out of the body is called egestion.