1. Why do organisms need water?
2. What is the major source of fresh
water in the city/town/ village
where you live?
3. Do you know of any activity
which may be polluting this water
source?
Answers
Answer:
1. Living organisms need water to survive. ... Other organisms require water to break down food molecules or generate energy during the respiration process. Water also helps many organisms regulate metabolism and dissolves compounds going into or out of the body.
2. In city/town/village, the major source of water is underground water. It is drawn with the help of hand pumps and tube-wells. The other nearby sources are rivers, lakes and ponds.
3. The activities which may be polluting the water bodies are: (i) Disposal of garbage or sewage from cities/towns and from factories. (ii) Hot water may be released from the industries which may disturb the temperature of water body leading to death of many aquatic organisms.
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Answer:
organism need water because water is about 70 percent in blood
so if there is no water the nutrients would not be transferred
and without nutrients organims cant live
2. rain water , river
3. discharging factory waste into rivers