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Questions and Answers
What is the unique feature of the quadrate bone in snakes?
What is the unique feature of the quadrate bone in snakes?
- It allows the mouth to open wide (correct)
- It connects the skull to the spine
- It is a type of rib
- It is a part of the dorsal shell
What are gastralia in reptiles?
What are gastralia in reptiles?
- Ribs that provide muscle attachment and abdominal support
- Ribs that articulate with vertebrae
- Dermal ribs formed from intramembranous ossification (correct)
- True endochondral ribs present on all 'trunk' vertebrae
How many bones make up the dorsal shell of chelonians?
How many bones make up the dorsal shell of chelonians?
- 49 bones (correct)
- 8 bones
- 24 bones
- 10 bones
