Complex sentence: These adaptations allowed it to hunt, probably in packs, for Late Pleistocene megaherbivores, and in North America it competed with the sabre-toothed cat for prey including horses, sloths, mastodons, bison, and camels.
Split into simpler sentences: These adaptations allowed it to hunt, probably in packs, for Late Pleistocene megaherbivores. In North America it competed with the sabre-toothed cat for prey including horses, sloths, mastodons, bison, and camels.