Stem cells are important because
they can't differentiate
they can differentiate into almost any other type of cell
they never die
they contain antibodies

Stem cells are important because they can differentiate into almost any other type of cell. Stem cells have the great potential to develop into different cell types during early life. They are found in multicellular organisms only. Mammals have embryonic and adult stem cells.

Stem cells are important because they can differentiate into almost any other type of cell. 

Used to water and cool climates, probably not thick coated or fluffy. they most likely have thin coats and have to survive to find food. sorry if this wasn't the answer you were looking for..: )