Match the name of the animal with one characteristics and the phylum or class to which it belongs.
A
Petromyzon - Ectoparasite - Cyclostomata
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B
Ichthyophis - Terrestrial - Reptilia
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C
Limulus - Body covered by chitinuous exoskeleton - Pisces
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D
Adamsia - Radially symmetrical- Porifera
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Solution
The correct option is APetromyzon - Ectoparasite - Cyclostomata
Ichthyophis is a genus of limbless amphibians.
Limulus is a genus of horseshoe crab belonging to the phylum Arthropoda.
Adamsia is a genus of sea anemones belonging to the phylum Cnidaria.
Petromyzon or sea lamprey is an ectoparasite and they are the most primitive vertebrates alive today and are called cyclostomes which mean round mouths.