What is pleurokinesis? How did it function in the jaws of hadrosaurids?
a) Pleurokinesis refers to the lateral movement of the lower jaw relative to the upper jaw. In hadrosaurids, this allowed for effective grinding and processing of tough plant material.
b) Pleurokinesis is the rotation of the snout, enabling hadrosaurids to access a variety of plant sources efficiently, thereby aiding in their diverse feeding habits.
c) Pleurokinesis involves the upward movement of the lower jaw during feeding, allowing hadrosaurids to reach high foliage and sustain a mixed diet of low-lying and elevated vegetation.
d) Pleurokinesis is the expansion and contraction of the jaw muscles, enabling hadrosaurids to emit various vocalizations crucial for communication and social interactions.
