1. Scientists can determine the age of whales by examining their ear bones . 2. Chambon's experiment with mice ear bones merely proved the way mammals evolved from reptiles. 3. They found hemorrhaging around the brain and ear bones . 4. The articular and quadrate bones evolved to become two of the middle-ear bones in mammals. 5. Remarkably, the stapes, or middle ear bone , remains intact. 6. The fish's ear bones grow a little bit each year, leaving marks rather like tree rings. 7. Scientists found hemorrhaging around the brain and ear bones , injuries consistent with exposure to loud sounds. 8. It has been suggested that these mammals are either the possible ancestors of three middle ear bones . 9. She suffered partial hearing loss, damaged vocal cords, broken vertebrae, a shattered ear bone and facial nerve damage. 10. Scientists found hemorrhaging around the brain and ear bones _ injuries consistent with exposure to extremely loud sounds.
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