They had similar bones but differences in certain areas, depending on location. Think of Charles' finches
It is C.A mutation can attack a cell’s DNA and cause an autoimmune response in the cells
Amethyst is a purple variety of quartz (SiO2<span>) and is colored </span>violet<span> due to irradiation, iron impurities (in some cases in conjunction with transition element impurities), and the presence of trace elements, hence results in complex crystal lattice substitutions.
I hope this helps you and have a great rest of the day! :-)</span>