A competitive relationship?
The relationship between the two is that they bother separate things into groups or sections.
C. Through contact hypothesis. Contact hypothesis refers to the idea that contact between different groups can reduce prejudice and improve intergroup relations, but it is not a way for groups to gain power.
A BRM is a business relationship manager. These people manage the relationships between different services groups. These can include IT, HR, and finance.
A conjunction is a word that shows the relationship between words or groups of words, connecting them together in a sentence. Examples of conjunctions include "and," "but," and "or."
if you mean symbiotic it is an interaction between two different organisms living in close physical association. for example a mutually beneficial relationship between two people or groups
competing with other groups
Conflict theory posits that society is composed of different groups with competing interests and power dynamics. It emphasizes the role of conflict and inequality in shaping social structures and institutions. Conflict theorists argue that social change occurs through conflict and struggle between different groups vying for resources and power.
conflict perspective
scientist have been able to infer the relationships between the major groups of vertebrates by bones
The relationship between the IR wave number and the molecular structure of a compound is that different functional groups in a molecule absorb infrared radiation at specific wave numbers, which can be used to identify and analyze the molecular structure of the compound.
The linked questions have been answered in ways that may assist the original contributor of this question.If not I suggest the questioner either rewrites the question to be more specific and/or provides some clarification in the discussion section and reviews the category(ies) that the question has been placed in, as (I write it is just Sociology)
As the population grows, it is possible that there will be more social differentiation made. Different ethic groups may come together in populations that are increasing.