Ascientist or physical anthropologist who studies skeletal material is known as a(n):

Osteologist

Explanation:

Osteologist is a physical anthropologists that uses the knowledge of anthropology, anatomy, and paleontology in studying and interpreting skeletal remains gotten from archaeological sites. An Osteologist studies the physiology of bones, their growth, and development, their function, bone disease and pathology, and also the process of ossification.

either two or three

answerkingdom is the largest cateagory