OUTGROUP
those people who do not belong to a specific in-group.
a group of organisms not belonging to the group whose evolutionary relationships are being investigated. such a group is used for comparison, to assess which characteristics of the group being studied are more widely distributed and may therefore be older in origin.
a group of organisms not belonging to the group whose evolutionary relationships are being investigated. such a group is used for comparison, to assess which characteristics of the group being studied are more widely distributed and may therefore be older in origin.