Describe your placement of snake like creature D and explain your reasoning for placing in that position

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

The theories on the expansion of galaxies maybe re-examined to strengthen science should not be tested to strengthen science will weaken scientific knowledge if they change will become laws if they don't change

Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.