_____________________ examines factors such as shifting membership and permeable group boundaries in group research.  

__________ is the systematic search for information; it is an investigation of the relevant information on a topic

Fill in the blank(s) with the appropriate word(s).

Ethnic identity is based on _____ groups, while racial identity is based on _____ groups

a. social;genetic b. genetic;social c. religious;biological d. biological;religious