What is anthropology? Anthropology is defined as the study of human beings and the relationships between humans and other organisms. Due to the different types of anthropologies, many studies focus on particular aspects of human beings, which will simply be discussed in this article. In the United States, anthropology consists of four main subfields: cultural/social anthropology, archaeology, linguistic anthropology, and physical/biological anthropology. Cultural/social anthropology is the study of culture and society and describes social and cultural similarities and differences. Archeology studies human behavior and cultural patterns of the past through material remains. Linguistic anthropology studies languages ​​and how people use them. Physical/biological anthropology is presented as the study of the biological and behavioral characteristics of humans, apes and their ancestors. The first chapter of Essentials of Physical Anthropology opens by introducing the famous East African fossil footprints left around 4 million years ago by the animal. which we now call Australopithecus afarensis....