Question : The beak is formed by
Option 1: cheeks
Option 2: jaws
Option 3: teeth
Option 4: none
Correct Answer: jaws
Solution : The correct option is jaws .
The beak of a bird is formed usually via jaw modification. The jaws of birds have developed into a specialised structure that is designed for a variety of purposes, such as eating, grooming and communication. A bird's beak is developed through evolutionary adaptations that include tooth loss and jaw remodelling to generate a specialised structure appropriate to the bird's eating habits and ecological purpose.
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