Friendship
A symbiotic relationship.
ecology
This sort of relationship is called a "symbiosis."
symbiosis
A close long-term relationship between two or more species where they mutually benefit each other is called symbiosis. This relationship can take different forms such as mutualism (both species benefit), commensalism (one benefits, the other is unaffected), or parasitism (one benefits, the other is harmed).
The study of relationship between individual species and environment is called Autecology. Study of relationship between communities and environment is called synecology.
the individual labor supply
If it is sexual, it is called a heterosexual relationship.
A tentative descriptive statement of the relationship between the variables is called hypothesis
The constitution established a relationship between the state and national governments in the preamble of the constitution. The relationship is called new federalism.
It is a Commensalism relationship
This kind of relationship between host and parasite is called mutualism.
Relationship between three countries or 3 sides is called as tripartite relationship
The relationship you describe is called an analogy.
A relationship between two kinds of organisms that benefits both is called a symbiotic relationship.
The term for an intimate relationship between two different species is called interspecies relationship.
plants