@francoise No - it's really weird but sheep do not have teeth on the front of their upper jaw. They sort of pull the grass rather than bite it, and then use their back teeth to grind it.
Then of course, they are ruminants, just like cows, and they chew their cud afterwards.
Then of course, they are ruminants, just like cows, and they chew their cud afterwards.
Great image.