Changes

: In [[animal]]s '''stem cells''' are divided into two groups; '''juvenile stem cells''' which are found in [[embryo]]s before the [[Cell (Biology)|cells]] have begun to [[Specialised Cell|specialise]] and '''adult stem cells''' which are found in adults and can only [[Specialised Cell|specialise]] into certain [[Cell (Biology)|cells]] such as [[Blood Cell|blood cells]].: In [[plant]]s'''stem cells''' are found in the [[shoot]] tips and [[root]] tips and are usually the only [[Cell (Biology)|cells]] which can divide.