The only thing necessary for the growth and development of this human organism (as with the rest of us) is oxygen, food, and water, since this organism -- like the newborn, the infant, and the adolescent -- needs only to develop in accordance with her already-designed nature that is present at conception.
(The only thing necessary for the growth and development of this human organism; is; oxygen, food, and water) (this organism -- like the newborn, the infant, and the adolescent; needs; only to develop in accordance with her already-designed nature) (her already-designed nature; is; present at conception)
The only thing necessary for the growth and development of this human organism this organism -- like the newborn, the infant, and the adolescent her already-designed nature
is needs is
oxygen, food, and water
only to develop in accordance with her already-designed nature
present at conception