Context: Desert tortoises are adapted to protect themselves from a predator with sharp teeth. They have hard outer shells covering their bodies. A  can pull its head and legs into its shell when attacked.
Figure: desert tortoise.
Which animal's body is better adapted for protection against a predator with sharp teeth?
A. queen scallop
B. hyrax
Pick the correct answer from the listed options and provide the letter of the selected option.

A