Final answer:
Kinship in anthropology is key because it shapes everyday social relations and interacts with various societal institutions. Early anthropologists established foundational kinship systems, and later research expanded kinship understanding to a broad social context beyond biological ties.
Step-by-step explanation:
Understanding kinship ties is important in anthropology because kinship ties are integral to the people anthropologists study. They are a crucial component of daily social relations, influencing many aspects of individuals' lives, such as who they can marry, family creation, and distribution of resources within a group. Early anthropological studies of kinship examined these relationships and established terms still used today. For instance, Lewis Henry Morgan's pioneering work identified key kinship systems, providing a foundational understanding of how diverse cultures view family and community. Later anthropologists like Bronislaw Malinowski and A.R. Radcliffe-Brown further defined kinship as a substantive social institution, impacting not just personal relationships but intersecting directly with political, economic, and subsistence systems.
Kinship is not just a biological concept; it is also a sociocultural construction, as illustrated by varying practices across cultures, such as adoption. Thus, anthropology views kinship not only as a matter of genetic ties but as a complex network of culturally defined relationships with specific roles, expectations, and obligations that individuals must navigate as part of their societal fabric.