Why are groups often homogeneous (comprising members who are alike in age, sex, beliefs, and opinions)? a. People who are already similar to each tend to be drawn to joining the same groups.  b....

Why are groups often homogeneous (comprising members who are alike in age, sex, beliefs, and opinions)?

a. People who are already similar to each tend to be drawn to joining the same groups.

 b. Evolutionary pressures caused people with similar genes to join groups and people with dissimilar genes to avoid each other.

c. Groups are more productive when they are homogeneous.

d. Social loafing prevents us from seeking out new people and experiences.