Which of the following organisms does not sho | vedclass

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(D) An open circulatory system is characterized by blood flowing into open spaces or sinuses (hemocoel). This is typical of most arthropods (like $Aed

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Nereis

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(D) An open circulatory system is characterized by blood flowing into open spaces or sinuses (hemocoel). This is typical of most arthropods (like $Aedes$ mosquitoes) and hemichordates (like $Balanoglossus$ and $Saccoglossus$).$Nereis$ belongs to the phylum $Annelida$. Annelids are characterized by a closed circulatory system,where blood flows through a network of closed vessels (blood vessels and capillaries). Therefore,$Nereis$ does not show an open circulatory system.

Which of the following organisms does not show an open circulatory system?

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