They are different because the <em>embryonic stem cells</em> can be all cell types of the body because they are Pluripotent. Where as the <em>adult stem cells </em>are thought to be limited to only their tissue of origin
Pluripotent (<em>Adjective)</em>
An immature stem cell, capable of giving rise to to several different types of cell.
Yes, the color shown on the leaf gives you the pigment.
I have done GCSE sciences and also applied science a level so I could probably help you :)
