> imposes a huge cost on a species, and that cost is called “males.” Incidentally, the cost of males is only a 50% overhead when the males contribute nothing t

> imposes a huge cost on a species, and that cost is called “males.” Incidentally, the cost of males is only a 50% overhead when the males contribute nothing to raising the offspring. In some species, the energetic/resource cost is dominated by caring/feeding/raising long after birth, which males may contribute to as much as females.