Question

What is nutrition ?​

Answer 1

Answer:

Nutrition is defined as the process of taking in a source of energy mainly food from outside the body of an organism to inside. It can also be defined as the process of ingesting food, it's digestion, absorption, assimilation and excretion of the undigested and unabsorbed waste.

Answer 2

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 -

$\{\underline{\tt{\green{Heterotrophic \: nutrition-}}}}$ 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

$\huge{\underline{\tt{\green{Autotrophic\: nutrition - }}}}$ 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.