1.A shark needs water to live because they need to swim around in the water to survive because they use the waters oxygen to survive.
2.Trees need water to survive because without water the tree would lose its shape and fall over and die.
3.Birds us water to survive because they need the water to clean their wings so that they can fly, without their clean wings they can't fly as well.
4.The saguaro cactus uses water to survive even though they can survive without water for awhile they still need it to help them grow tall and stand up straight.
5. Fish spend all of there life in water they eat poop and clean in the water they use it to stay alive like sharks do they swim around in it to