Which of these invertebrates possess a closed | vedclass

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(C) In a closed circulatory system,blood is pumped through vessels of varying diameters (arteries,veins,and capillaries). Among invertebrates,Annelids

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Annelida and Cephalopoda

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(C) In a closed circulatory system,blood is pumped through vessels of varying diameters (arteries,veins,and capillaries). Among invertebrates,Annelids (like earthworms) possess a closed circulatory system. Within the phylum Mollusca,the class Cephalopoda (such as squids and octopuses) also exhibits a closed circulatory system,unlike most other mollusks which have an open system. Therefore,Annelida and Cephalopoda are the correct groups.

Which of these invertebrates possess a closed circulatory system?

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