Q.

Body is divided into head, thorax and abdomen  in which of the following sets of animals?

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a

Dentalium, Pinctada, and Chaetopleura

b

Balanoglossus, Pterobranchia and Saccoglossus

c

Limulus, Laccifer and Locusta

d

Hyla, Salamandra and Ichthyophis

answer is C.

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Detailed Solution

Head, thorax and abdomen are the body divisions in arthropods - Limulus, Laccifer and Locusta.

Hyla, Salamandra and Ichthyophis are amphibians in which the body divisions are head and trunk.

Balanoglossus, Pterobranchia and Saccoglossus are hemichordates in which the body divisions are proboscis, a collar and a long trunk.

Dentalium, Pinctada, and Chaetopleura are molluscs in which the body divisions are head, muscular foot and visceral hump.

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