Question

Give one major difference between (i) Cyclostomes and other fishes (ii) Chondrichthyes and Osteichthyes, Cite examples.

Answer 1

Answer:

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Answer 2

i) The difference between cyclostomes and other kinds of fishes is that :

Cyclostomes do not have jaws in them but other fishes possesses jaws.

ii) Here is the differences among Chondrichthyes and Osteichthyes :

1. The Chondrichthyes type of fish do not have operculum whereas Osteichthyes possesses operculum.

2. In Chondrichthyes, air bladder is not present but in Osteichthyes, we can find air bladder.