Animals devoid of respiratory, excretory and circulatory organs are be – McqOptions

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1.	Animals devoid of respiratory, excretory and circulatory organs are belong to phylum [DPMT 2004]
A.	Echinodermata
B.	Platyhelminthes
C.	Porifera
D.	Mollusca
Answer» C. Porifera

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