why the water is important?
for            Living organisms need water because it plays a
                                                                                                                                                          vital role in the reactions taking place within
                                                                                                                         living in life                   organism's cells and body.
Water conservation is vital for several reasons, but
the primary purpose of water conservation is to         Why is conserving water important?
ensure clean water for humans to sustain life.
                                                                                                               what is the percentage of water in           About 71 percent of the Earth's surface is water-
                                                             Do all organisms need to live ?
                                                                                                                                                           covered, and the oceans hold about 96.5 percent of
                                                                                               Water Ecology               the world?                      all Earth's water
                                                       Which are the limiting factors for
                                                                  aquatic life?                                What kind of aquatic environments                rivers and streams, lakes and ponds, and
                                                                                                                             are there?                         freshwater wetlands.
                                                       What impact do humans have on                                       What kind of freshwater life zones                   Rivers, creeks, lakes, ponds, and streams are all
                                                              aquatic life zones?                                                         are there?                           freshwater habitats.