The body is divided into head and trunk in:

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Question

(D) In the $Phylum$ $Chordata$,specifically within the $Subphylum$ $Urochordata$ (also known as $Tunicata$),the body of the adult organism is typicall

Vedclass · Accepted Answer

Ascidia

Vedclass · Answer

(D) In the $Phylum$ $Chordata$,specifically within the $Subphylum$ $Urochordata$ (also known as $Tunicata$),the body of the adult organism is typically not divided into distinct regions like head,thorax,and abdomen. However,in certain $Chordates$ like $Ascidia$ (a sea squirt),the body is often described as being organized into a head and a trunk region. $Cockroach$ belongs to $Phylum$ $Arthropoda$ and its body is divided into head,thorax,and abdomen. $Toad$ belongs to $Amphibia$ and its body is divided into head and trunk. Given the context of typical biological classification questions,$Ascidia$ is the correct answer as it represents a chordate where the body plan is simplified into these two primary regions.

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