What structural features of the bird’s skeleton are associated with the ability to fly?
| November 25, 2020 | education
1. Wings
2. Hollow bones (become lighter than usual), as well as keel (longitudinal outgrowth of the sternum)
3. The vertebrae of all parts of the spine are connected motionlessly (except for the cervical)
4. Lack of bladder (also gives lightness)
5. Lack of teeth
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