What key difference in physical adaptation is noted regarding the dental structure between the two lizards?
Answer
The Caiman Lizard's jaws have structures for crushing, while the Tegu's dental structure is adapted for a broader range of foodstuffs.
The Caiman Lizard possesses specialized blunt, molar-like crushing tools, whereas Tegus, being omnivores, have dental adaptations suited for a broader array of foodstuffs.

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