Archaeocytes and interstitial cells are found respectively in: Classification Of Animals Mcqs March 11, 2019 BILAL KHATTAK0 A.Sponges and coelentrates B.Annelids and molluscs C.Molluscs and arthropods D.None of theseRelated Mcqs:Nervous system in form of nerve net was first studied in:Flame cells are characteristic of:Peripatus is a connecting link between:Which of these do not have a ventral nerve cord:Archaeocyte cells are characteristically found in:Choanocytes are characteristic cells of:Coelon is divided into septa in case of:Compound eyes are present in:Porocytes are specialized cells found exclusively in:_______ are the first group of invertebrates which have developed a closed circulatory system.?