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Class Chondrichthyes – characteristic features
Concepts tested here
- chondrichthyes-cartilaginous
All Questions
2016 1 question
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Which of the following characteristic features always holds true for the corresponding group of animals?
All Chondrichthyes have a cartilaginous endoskeleton; the other features have exceptions.
Animals of class Chondrichthyes are marine with a streamlined body. The mouth is ventral. Their endoskeleton is cartilaginous. The notochord is persistent throughout life. Gill slits are separate and without operculum.
So a cartilaginous endoskeleton always holds true for Chondrichthyes.