Although possible, it is rare to have keratosis pilaris all over the body. The lesions in keratosis pilaris most characteristically involve the back of the upper arms. Other common locations include the back, thighs, buttocks and occasionally the face. It does not affect the eyes, mouth, palms, or soles. Read Doctor's View.
The Principle of Biological Succession was developed by: Charles Darwin James Hutton Charles Lyell William Strata Smith. The principle of biological succession was developed by: Charles Darwin.
Although it might seem surprising, Smithâs principle of faunal succession didnât provide an immediate understanding of the history of life on Earth, perhaps because his intentions were more practical than scientific: to accurately order rock layers and to help coal prospectors identify the best places to dig.