For example, the Columbian mammoth has a very long set of curved tusks while the Woolly mammoth has shorter and more curved tusks.
(the Columbian mammoth; has; a very long set of curved tusks) (the Woolly mammoth; has; shorter and more curved tusks)
the Columbian mammoth the Woolly mammoth
has has
a very long set of curved tusks
shorter and more curved tusks