Complete the following sentences inserting appropriate words in blanks:
i) Porifera are ………………. cellular animals incapable of ……………… as they remain to the substratum like a ………………… .
ii) The sponge body is covered by an outer epithelial layer made up of ………………….. .
iii) Sponges with skeleton made up of spicules of calcium carbonate belong to the class …………………. .
i) Porifera are multicellular animals incapable of movement as _________ __________ ________ ____ _________.
_______ ___ ___ _____ ____ ________ _________ __________.
_________ _________ _______ ________ _______ _____ ____ ____.
__________ __________ _______ ___ ___ ___ _____.
______ ____ _______ _____ ________ _________.
______ _________ ________ ______ ___ ____ ________ ______ ________.
_________ _______.
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