They are two separate continents.
Woese proposed separating bacteria and archaea into separate domains because they have fundamental genetic and biochemical differences that are more substantial than differences between other groups classified at the same hierarchical level. This classification reflects the evolutionary distance between these two groups and their distinctiveness in terms of genetic information processing and cell structure.
Research has shown that there are persistent differences in IQ test scores across different racial and ethnic groups in the US, with some groups consistently scoring higher or lower on average than others. However, it is important to note that while there may be differences in average scores, individual differences within each group are greater than differences between groups.
Deliberate efforts to keep groups separate is cultural divergence.
Disagreements or conflicts in beliefs, values, or opinions can cause individuals to form separate groups. Physical distance or geographical barriers can lead to groups becoming separated. Differences in socioeconomic status or access to resources can create divides between groups of individuals.
it is used to separate bacteria into two groups based on cell wall composition
There are three different groups modes - No groups, Separate Groups, Visible Groups. In 'Separate groups' mode, each group can only see their own group - other groups are invisible. In 'Visible groups' mode, each group works in their own group, but can also see other groups.
Over 160 separate ethnic groups.
Differences in length of tenure
The three separate kingdoms that Protista is split into are Protozoa, Chromista, and Algae. This classification scheme is based on differences in cellular structures, modes of nutrition, and other characteristics among these groups.
Within-group differences refer to variations that exist among individuals or data points within the same group or category. This can include differences in characteristics, behaviors, or outcomes within the group. Between-group differences refer to variations that exist between different groups or categories. This can include differences in averages, distributions, or patterns observed when comparing multiple groups.
The major criteria used in placing bacteria into different groups is based on differences in their cell wall structure, shape and arrangement, metabolism, and genetic composition. These characteristics help scientists classify bacteria into different taxonomic groups based on their shared traits and evolutionary relationships.