yes
just the upper
No, alpacas do not have upper teeth. Alpacas have a soft upper gum area, which they chew their chud against with their bottom teeth. Alpacas do not have upper teeth, and grasseaters don't usually need them.
Notice how your teeth both in the upper and lower jaws make a "U"? That is an arch.
As with cattle and other ruminants, giraffes have NO upper incisors or canines. There is a dental pad on top in front that works with the lower incisors. Further towards the rear, there are the molars for grinding.
Bulls, like other cattle, typically have a total of 32 teeth. This includes 8 incisors at the front of the lower jaw, 12 molars in the back of both the upper and lower jaws, and no upper incisors. Instead of upper front teeth, they have a dental pad. The specific number and type of teeth can vary based on age and breed.
The Hamster (Cricetus cricetus) has 16 teeth: 2 upper and 2 lower incisors, and 3 molars on every side, both upper and lower (3left up + 3left down + 3right up + 3 right down).
A boer or any breed of goat do NOT have upper front teeth. Neither do cows or sheep. They have a boney pallet with ridges. They do have molars to chew with.
Yes. Kangaroos do have jaws. They have a full set of teeth in both upper and lower jaws.
Moose would have about 32 teeth, majority on the lower jaw than the upper, though molars are found on both top and bottom jaws.
Piranhas have just a single row of triangular teeth on both the upper and lower jaws. Their close relatives, the pacu, have two rows of square teeth.
A two-tailed test is both, upper and lower tailed!
Cows don't have upper incisors nor canines. Incisors on the lower jaw are pointed more outward than humans are, and the molars on both the bottom and upper jaw are flatter. Cows do not have canines.