What association did Leisler find between mating system and habitat quality in the birds he studied?

A) Monogamy was prevalent in poor-quality habitats.
B) Polygyny was prevalent in xeric habitats.
C) Polygynandry was prevalent in mesic habitats.
D) Male dominance polygyny was predominant in medium-quality habitats.
E) Polyandry was predominant in high-quality habitats