1.

Definefollowing terms :-a. Autotrophicb. Nutritionc. Respiration

Answer»

1.Autotrophic nutritionmeans that simple inorganic substances are taken in and used to synthesise organic molecules. Energy is needed to achieve this. In photo-autotrophic nutritionlight is the energy source. In most instances the light source is solar energy, the process being photosynthesis.

2.Nutrition is the science that interprets the interaction of nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism. It includes food intake, absorption, assimilation, biosynthesis, catabolism, and excretion.

3.By definition, respiration is a process in living organisms which involve the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.

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