Final answer:
Biological anthropology is the subfield of anthropology that studies the biological and bio-cultural facets of humans, including our origins, evolution, and diversity. It encompasses areas like palaeoanthropology, primatology, and genetic anthropology to understand human physical traits and behaviours.
Step-by-step explanation:
The subfield of anthropology that includes the study of the biological and bio-cultural facets of humans is known as biological anthropology. This field focuses on the earliest processes in the biological and sociocultural development of human beings as well as the biological diversity of contemporary humans. Biological anthropologists study the origins, evolution, and diversity of our species through various areas such as human biological variation, palaeoanthropology, primatology, bioarchaeology, and genetic anthropology. These areas contribute invaluable insights into the understanding of human physical characteristics and behaviours, and what it means to be human.
Biological anthropology is integral in exploring the biological and social traits we share with primates, as well as the unique aspects of the human condition. It intersects with other subfields like archaeology, cultural anthropology, and linguistic anthropology to provide a comprehensive understanding of humanity's past, present biological, linguistic, and cultural variations.
The study underscores the significance of diversity and the rich tapestry of human creativity, documenting it in living and past cultures, languages, symbol systems, and the human body. Biological anthropology is not just about studying bones and genes; it is a journey into the discovery of who we are and where we came from, providing insights into humanity's greatest legacy and challenges such as racial injustice and climate change.