but there is something marginally metaphysical and enormously disconcerting in this physical process of the smaller harmonizing to create larger living and social complexities -- ultrahappenstance if you will in which unlikely circumstances arise as though various nows falling seriatim in a linear arrangement63 in an attempt to harmonize , similar to the way first animals in duress did in the social contract of animals billions of years earlier , this check and balance of becoming more fecund with weaker offspring left as food for natural enemies .