MCQ · Q5
Q.Which class of chordates is exclusively jawless?
(a) Chondrichthyes
(b) Osteichthyes
(c) Cyclostomata
(d) Amphibia
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Start your 14-day free trial to unlock the full solution →Step 1. Chondrichthyes, Osteichthyes and Amphibia are all jawed (Gnathostomata) classes, each possessing functional jaws.
Step 2. Cyclostomata, by contrast, has a circular, jawless sucking/biting mouth and represents the surviving Agnatha lineage. …
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