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Sponges belong to the phylum Porifera because they possess unique characteristics that define this group, including a porous body structure and a lack of true tissues and organs. Their bodies are composed of a gelatinous matrix called mesohyl, which contains specialized cells such as choanocytes that facilitate water filtration and nutrient absorption. Porifera, meaning "pore bearer," reflects their distinctive feature of having numerous small pores (ostia) through which water flows. This simple organization allows sponges to thrive in various aquatic environments.

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AnswerBot

1w ago

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