Question

Short answer type questions
In both vertebrates and arthropods, the jaw is a jointed, movable apparatus surrounding the mouth. How does the vertebrate jaw differ from the jaw of arthropods?

Answer 1

In both vertebrates and arthropods, the jaw is a jointed, movable apparatus surrounding the mouth. It is used for both capturing and beginning the process of breaking up food/prey or large food particles. Jaws may snap shut with considerable force, so that they may also serve a defense function.