Questions and Answers
Which animal has a vertebral column that is compared with that of fishes?
Turtle
In which animal's axial skeleton are dermatocranium, chondrocranium, and splanchnocranium mentioned?
Shark
Which part of the axial skeleton is specifically mentioned in relation to the chicken?
Sternum and Ribs
Which animal's axial skeleton includes chondrocranium and splanchnocranium?
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Among the listed animals, which one is associated with the presence of the hyoid bone in its axial skeleton?
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Study Notes
Axial Skeleton: Vertebral Column
- Vertebral column in fishes: consists of vertebrae that are not fused and have a similar structure
- Vertebral column in turtles: consists of a solid, fused shell that provides protection
- Vertebral column in chickens: consists of cervical, thoracic, lumbar, sacral, and caudal vertebrae
- Vertebral column in cats: consists of cervical, thoracic, lumbar, sacral, and caudal vertebrae, with a flexible spine
Axial Skeleton: Cranium
- Cranium consists of dermatocranium, chondrocranium, and splanchnocranium
- Chondrocranium and splanchnocranium in sharks: forms the cartilaginous skeleton of the skull
- Dermatocranium in cats: forms the bony covering of the skull
Axial Skeleton: Sternum, Ribs, and Hyoid Bone
- Sternum and ribs in chickens: consists of a keel-shaped sternum and ribcage that provides protection for the heart and lungs
- Sternum, ribs, and hyoid bone in cats: consists of a flat sternum, ribcage, and hyoid bone that provides support for the respiratory system
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