what is biological anthropology
Physical/ biological anthropology is the study of the past and present evolution of the human species and is especially concerned with understanding the causes of present human diversity.
The four subfields are usually called socio-cultural anthropology, archaeology, biological anthropology, and linguistics. Socio-cultural Anthropology is the study of the social and cultural dimensions of living peoples. Such study often involves the method called participant observation, often complemented with other sorts of data gathering methods.