Why do organisms take food Short answer?
Subsequently, one may also ask, why do organisms need to take food Give two reasons?
1) Food provides energy to organisms that helps to carry out vital life processes like respiration , digestion, excretion,etc. 2) Food provides certain chemicals that is needed to fix the wear and tear parts of cells and also to make new cells everyday in order sustain life.
Additionally, why do organisms need water?
Organisms need water because: (i) Cellular processes need water for their functioning. (ii) Substances dissolve in water for reactions to take place within the cells. (iv) Water helps in digestion of food and its absorption in the blood. (v) It helps to maintain body temperature.
Food provides nutrients. Nutrients provide energy for body activities and all functions of the body. Energy is used in different processes of a living organism like breathing, digesting food, etc. Energy from food keeps us warm.