Unilineal descent groups:
a. endure over time and clearly define who is a member and who is not
b. allow members to decide which descent groups they want to belong to; therefore, these groups change membership and size radically from generation to generation
c. cannot clearly define who is or is not a member, but still manage to endure over time
d. allow individuals to first identify themselves as individuals and then as members of the kinship group
e. do not place emphasis on individual or corporate identit