Complex sentence: The females, commonly called ewes, can weigh up to and have less prominent horns, while the males or rams can weigh or more and have very prominent curved horns.
Split into simpler sentences: The females, commonly called Ewes and can weigh around up to one hundred and forty pounds and have less prominent horns. Where as the males or Rams can weight up to two hundred pounds or more and have very prominent curved horns.