^{P397:1, 36:2.1} The Melchizedeks have the general oversight of the fourth group of seven primary spheres in the Salvington circuit. These worlds of the Life Carriers are designated as follows:

1. The Life Carrier headquarters.
2. The life-planning sphere.
3. The life-conservation sphere.
4. The sphere of life evolution.
5. The sphere of life associated with mind.
6. The sphere of mind and spirit in living beings.
7. The sphere of unrevealed life.

^{P397:9, 36:2.2} Each of these primary spheres is surrounded by six satellites, on which the special phases of all the Life Carrier activities in the universe are centered.

^{P397:10, 36:2.3} World Number One, the headquarters sphere, together with its six tributary satellites, is devoted to the study of universal life, life in all of its known phases of manifestation. Here is located the college of life planning, wherein function teachers and advisers from Uversa and Havona, even from Paradise. And I am permitted to reveal that the seven central emplacements of the adjutant mind-spirits are situated on this world of the Life Carriers.

^{P397:11, 36:2.4}   The number ten -- the decimal system -- is inherent in the physical universe but not in the spiritual. The domain of life is characterized by three, seven, and twelve or by multiples and combinations of these basic numbers. There are three primal and essentially different life plans, after the order of the three Paradise Sources and Centers, and in the universe of Nebadon these three basic forms of life are segregated on three different types of planets. There were, originally, twelve distinct and divine concepts of transmissible life. This number twelve, with its subdivisions and multiples, runs throughout all basic life patterns of all seven superuniverses. There are also seven architectural types of life design, fundamental arrangements of the reproducing configurations of living matter. The Orvonton life patterns are configured as twelve inheritance carriers. The differing orders of will creatures are configured as 12, 24, 48, 96, 192, 384, and 768. On Urantia there are forty-eight units of pattern control -- trait determiners -- in the sex cells of human reproduction.

^{P397:12, 36:2.5} The Second World is the life-designing sphere; here all new modes of life organization are worked out. While the original life designs are provided by the Creator Son, the actual outworking of these plans is intrusted to the Life Carriers and their associates. When the general life plans for a new world have been formulated, they are transmitted to the headquarters sphere, where they are minutely scrutinized by the supreme council of the senior Life Carriers in collaboration with a corps of consulting Melchizedeks. If the plans are a departure from previously accepted formulas, they must be passed upon, and endorsed by, the Creator Son. The chief of Melchizedeks often represents the Creator Son in these deliberations.

^{P397:13, 36:2.6} Planetary life, therefore, while similar in some respects, differs in many ways on each evolutionary world. Even in a uniform life series in a single family of worlds, life is not exactly the same on any two planets; there is always a planetary type, for the Life Carriers work constantly in an effort to improve the vital formulas committed to their keeping.

^{P398:1, 36:2.7} There are over one million fundamental or cosmic chemical formulas which constitute the parent patterns and the numerous basic functional variations of life manifestations. Satellite number one of the life-planning sphere is the realm of the universe physicists and electrochemists who serve as technical assistants to the Life Carriers in the work of capturing, organizing, and manipulating the essential units of energy which are employed in building up the material vehicles of life transmission, the so-called germ plasm.

^{P398:2, 36:2.8} The planetary life-planning laboratories are situated on the second satellite of this world number two. In these laboratories the Life Carriers and all their associates collaborate with the Melchizedeks in the effort to modify and possibly improve the life designed for implantation on the decimal planets of Nebadon. The life now evolving on Urantia was planned and partially worked out on this very world, for Urantia is a decimal planet, a life-experiment world. On one world in each ten a greater variance in the standard life designs is permitted than on the other (nonexperimental) worlds.

^{P398:3, 36:2.9} World Number Three is devoted to the conservation of life. Here various modes of life protection and preservation are studied and developed by the assistants and custodians of the Life Carrier corps. The life plans for every new world always provide for the early establishment of the life-conservation commission, consisting of custodian specialists in the expert manipulation of the basic life patterns. On Urantia there were twenty-four such custodian commissioners, two for each fundamental or parent pattern of the architectural organization of the life material. On planets such as yours the highest form of life is reproduced by a life-carrying bundle which possesses twenty-four pattern units. (And since the intellectual life grows out of, and upon the foundation of, the physical, there come into existence the four and twenty basic orders of psychic organization.)

^{P398:4, 36:2.10} Sphere Number Four and its tributary satellites are devoted to the study of the evolution of creature life in general and to the evolutionary antecedents of any one life level in particular. The original life plasm of an evolutionary world must contain the full potential for all future developmental variations and for all subsequent evolutionary changes and modifications. The provision for such far-reaching projects of life metamorphosis may require the appearance of many apparently useless forms of animal and vegetable life. Such by-products of planetary evolution, foreseen or unforeseen, appear upon the stage of action only to disappear, but in and through all this long process there runs the thread of the wise and intelligent formulations of the original designers of the planetary life plan and species scheme. The manifold by-products of biologic evolution are all essential to the final and full function of the higher intelligent forms of life, notwithstanding that great outward disharmony may prevail from time to time in the long upward struggle of the higher creatures to effect the mastery of the lower forms of life, many of which are sometimes so antagonistic to the peace and comfort of the evolving will creatures.

^{P398:5, 36:2.11} Number Five World is concerned wholly with life associated with mind. Each of its satellites is devoted to the study of a single phase of creature mind correlated with creature life. Mind such as man comprehends is an endowment of the seven adjutant mind-spirits superimposed on the nonteachable or mechanical levels of mind by the agencies of the Infinite Spirit. The life patterns are variously responsive to these adjutants and to the different spirit ministries operating throughout the universes of time and space. The capacity of material creatures to effect spirit response is entirely dependent on the associated mind endowment, which, in turn, has directionized the course of the biologic evolution of these same mortal creatures.

^{P399:1, 36:2.12} World Number Six is dedicated to the correlation of mind with spirit as they are associated with living forms and organisms. This world and its six tributaries embrace the schools of creature co-ordination, wherein teachers from both the central universe and the superuniverse collaborate with the Nebadon instructors in presenting the highest levels of creature attainment in time and space.

^{P399:2, 36:2.13} The Seventh Sphere of the Life Carriers is dedicated to the unrevealed domains of evolutionary creature life as it is related to the cosmic philosophy of the expanding factualization of the Supreme Being.

     

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