biology pro ultra max

How much percent of water is the body of living organisms made up of

• 70% to 80%

• 50% to 60%

• 2% to 3%

• 70% to 90%

how much water is available to us in the form of fresh water

in percentage

no life can exist without water because chemical reactions in cells take place in solution

• true

• false

inter tidal zones are zones that are not affected by tides

• true

• false

what are the mechanisms plants & animals developed to exist only in water