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Questions and Answers
What type of scales does Chondrichthyes have?
What type of scales does Chondrichthyes have?
- Ganoid scales
- Placoid scales (correct)
- Ctenoid scales
- Cycloid scales
What type of respiratory system do Chondrichthyes have?
What type of respiratory system do Chondrichthyes have?
- Gills without operculum (correct)
- Book lungs
- Tracheae
- Lungs
How many chambers does the heart of Chondrichthyes have?
How many chambers does the heart of Chondrichthyes have?
- 5 chambers
- 4 chambers
- 3 chambers
- 2 chambers (correct)
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