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vampirchik [111]
3 years ago
14

List several characteristics of class Chondrichthyes that separate it from class Agnatha and class Osteichthyes.

Biology
1 answer:
Rasek [7]3 years ago
5 0
The Chondrichthyes are the cartilaginous fishes including the sharks, rays,<span>skates and chimeras. The Osteichthyes are the bony fish. Both of these groups </span>became established during the Devonian Period about 400 million years ago. The Chondrichthyes <span>differ from the Osteichthyes in many respects, including their</span><span>

</span>

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