Answer: Cattle, sheep and goats have a dental pad instead of upper incisors.
Explanation: Ruminants are herbivores with unique digestive anatomy which includes cattle, sheep, and goats. An outstanding characteristic of ruminant dental anatomy is they lack top incisors, and instead, having a dental pad.
Regarding the anatomy of an arch, what is the springing line? The springing line is an imaginary line between where the curves of the arch begin on each side