In biology: a population is a sub-section of a species as defined by geographic location
a population is a count of one species & a community counts as many species all at same time.
biosphere, biome, community, population
community
A mapping is a relationship between two sets.
an equation
A binomial is a polynomial with exactly 2 terms.
The relationship between the terms terrorism and global network is that terrorists and terrorism can come from anywhere in the globe. Terrorists work together in a global network to plan their attacks on their enemies.
terms of trade expresses the relationship between the prices at which a country sells its exports and the prices paid for imports.
These terms are usually used synonymously.
Relation between Organisms and their environment.By Tani
an oxymoron can be used to emphasize the relationship between two contradictory terms