While demographers were struggling to understand sex ratio anomalies in the context of culture, evolutionary biologists had largely (i) ____ an idea put forth in 1973 by biologist Robert Trivers, who theorized that as the physical condition of female declines, she‘ll tend to produce a(n) (ii) ___ ratio of male to female offspring. In red deer and humans, for example, (iii) ___ conditions in the mother‘s environment during pregnancy are correlated with a shift toward female births.

Blank (i)	Blank (ii)	Blank (iii)
ostracized	higher	adverse
gainsaid	lower	favorable
embraced	archetypal	mercurial

Kudos for the right answer and explanation