Question

What is nutrition ? explain clearly​

Answer 1

What is nutrition?

$\huge{\underline{\tt{\green{ANSWER-}}}}$

Nutrition is the process by which a living organism obtains nutrients from food and utilizes it to obtain energy, repairing of their tissues.

Nutrient - It is a substance which is necessary for growth and maintenance of an organism.

Modes of nutrition -

$\ \bf{\underline{\tt{\green{Heterotrophic\: nutrition - }}}}$ The heterotrophs can't make their own food but they are dependent on the autotrophs for their nutrition.

1. Holozoic nutrition

2. Saprotrophic nutrition

3. Parasitic nutrition

$\ \bf{\underline{\tt{\green{Autotrophic\: nutrition - }}}}$ It is a mode of nutrition which occurs in plants and some bacteria. They obtain their own food from inorganic sources in the form of water, carbon dioxide.

Answer 2

Answer:

Nutrition is the biochemical and physiological process by which an organism uses food to support its life. It includes ingestion, absorption, assimilation, biosynthesis, catabolism and excretion. The science that studies the physiological process of nutrition is called nutritional science.