Answers

2016-04-18T20:45:11+05:30
Organisms need to take food to get energy and perform life process.
The life process include nutrition, respiration, growth, excretion, reproduction  which can only be done by intake of food..

0
2016-04-18T20:47:05+05:30
The organisms have to take the food in order to survive and by taking food organisms gain energy and they wll be able to do their work and they can live their life.and for their life processes. Hope this helps u.
0