Define the terms, ‘nutrition’ and ‘nutrients’

Define the terms, ‘nutrition’ and ‘nutrients’. List two differences between ‘holozoic nutrition’ and ‘saprophytic nutrition’. Give two examples of each of these two types of nutrition.
Answer:

Nutrition: The process by which the living organisms receive and utilise the food materials necessary for their survival, growth and repair of worn-out tissues is called nutrition.
Nutrients: Those substances which supply nourishment to living organisms from its surroundings and use it as an energy source or for biosynthesis of body constituents.