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Define Annelida..??

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\tThe body surface of Annnelids is distinctly marked out into segments or metamere and, hence, the phylum name Annelida.\tThey exhibit organ-system level of body organization, bilateral symmetry,they are triploblastic, metamerically segmented and coelomate animals.\tAquatic annelids possess lateral appendages called asparapodia. For example-\xa0Nereis


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