The debate<span> you refer to is about the ethics of embryonic </span>stem cell research<span>. And, of course, since ethics is involved many would tend to oppose further research on this area because to them it violates and does not respect life. Hope this helps. Have a nice day.</span>
Its according to their organs.. where the my come from.. where they inhabit..what the eat.. how they look like..
take for example: reptiles.. they are classified as reptiles cause.. they are the only types of animals who have hard scaled skin not like fish..
Most energy is found in the chemical bonds of ATP