Name the vertebrates which are without jaws.
Correct answer: B. Cyclostomata
- A. Osteichthyes
- B. Cyclostomata
- C. Chondrichthyes
- D. None of these
Explanation
Cyclostomi, often referred to as Cyclostomata, is a group of vertebrates that comprises the living jawless fishes: the lampreys and hagfishes.
This question appeared on the UHS MDCAT 2008 paper, which you can sit online with every answer explained.
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About Classification and Taxonomy
Classification arranges organisms into groups based on shared characteristics, while taxonomy includes their identification, naming and systematic study. Coverage includes taxonomic hierarchy, binomial nomenclature, species concepts, criteria for classification and the major kingdoms or domains used to show evolutionary relationships.
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