Class chondrichthyes characteristics
Asked by maham237 @ in Biology viewed by 270 People
List several characteristics of class Chondrichthyes that separate it from class Agnatha and class Osteichthyes.
Answered by maham237 @
The Chondrichthyes are the cartilaginous fishes including the sharks, rays,skates and chimeras. The Osteichthyes are the bony fish. Both of these groups became established during the Devonian Period about 400 million years ago. The Chondrichthyes differ from the Osteichthyes in many respects, including their
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