Discussion :: Biology
- In birds, some of the vertebrae are fused to form
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Answer : Option D
Explanation :
Some posterior thoracic vertebrae, the lumbar, sacral and a few anterior caudal vertebrae are fused to form a complex bone called synsacrum. The innominate bones are fused with the synsacrum to a greater or lesser extent, according to species, forming an avian pelvis.
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