Symbiotic association with other animals, in varying degrees of interdependence, is frequent.
The essential unity and interdependence of "all God's faithful people scattered throughout the world," is common to all sections of Christians.
The history of the 20th century is one of growing interdependence.
The interdependence of this triad of sciences has sometimes led to their confusion.
Thus we can construct a kind of envelope of theory, which, by careful testing as we proceed, can be made to indicate in a general manner the reactions of one part of the activities of the economic world upon the others, and the interdependence of the several parts.