Which of the following groups of animals are | vedclass

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(D) The phylum $Hemichordata$ consists of a small group of worm-like marine animals.These organisms are characterized by an organ-system level of body

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Hemichordata

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(D) The phylum $Hemichordata$ consists of a small group of worm-like marine animals.These organisms are characterized by an organ-system level of body organization.They are bilaterally symmetrical,triploblastic,and coelomate animals.The body is cylindrical and is composed of an anterior $proboscis$,a $collar$,and a long $trunk$.They are exclusively marine and can be found living either as solitary individuals or in colonies.

Which of the following groups of animals are worm-like,exclusively marine,and usually solitary or colonial?

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