Life processes • Constantly exhibit the functions of maintenance and repair in living organisms • Some Examples- Digestion, Respiration, Circulation etc. Nutrition • Process of obtaining nutrients from the environment i.e. intake of food and then its digestion in the body. • Two types – Autotrophic (self-sufficient for food) and Heterotrophic (dependent on others for food). Autotrophic nutrition • Synthesis of food by photosynthesis- ‘photo’ means light and ‘synthesis’ means production. It is the production of food with the help of sunlight. • Photosynthesis equation- 6CO 2 +6H 2 O give C 6 H 12 O 6 +6O 2 • Events of photosynthesis are as ...