ZoologyNEET 2025Chordates: Pisces to Mammalia

Animal Kingdom

All living members of the class Cyclostomata are:

A.Free living
B.Endoparasites
C.Symbiotic
D.Ectoparasites✓

Solution

All living cyclostomes (lampreys and hagfishes) are ectoparasites on some fishes, attaching with their sucking mouths.

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