<span>Archaea were initially classified as bacteria, receiving the name archaebacteria (in the Archaebacteria kingdom), but this classification is outdated. Archaeal cells have unique properties separating them from the other two domains of life, Bacteria and Eukaryota. hope that helped</span>
I dont see any choices sorry wish i could help
Nerve cells because skin cells keep dividing when you loose skin. Epithelial cells also divide when you loose others.
There are man chemical and physical changes such as geno and pheno.