Water is important to maintain homeostasis in an organism. Which of the following properties of water is not needed for an organism's homeostasis?
Capillary action allows plants to receive water and nutrients from the ground.
Polarity allows minerals and nutrients to dissolve in water.
The density of ice allows organisms to live in ponds in the winter and in cold temperatures.
Surface tension allows insects to walk on water.

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.