Lampreys are

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(B) Lampreys belong to the class $Cyclostomata$ of the phylum $Chordata$.These organisms are characterized by being jawless primitive vertebrates.They

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Jawless primitive vertebrates

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(B) Lampreys belong to the class $Cyclostomata$ of the phylum $Chordata$.These organisms are characterized by being jawless primitive vertebrates.They possess an elongated body bearing $6-15$ pairs of gill slits for respiration.$Cyclostomes$ have a sucking and circular mouth without jaws.Therefore,the most accurate description among the given options is that they are jawless primitive vertebrates.

Similar Questions

Jawless vertebrates are placed in the group .........

Assertion: Cyclostomates are marine but migrate for spawning to fresh water.
Reason: After spawning,within a few days they die. Their larvae after metamorphosis return to the ocean.

How many gill slits are present in Cyclostomata?

Animals of this class are marine,but migrate to freshwater for spawning.

Which animals live in the sea but migrate to freshwater for breeding?

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