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.