Labels:cake | paper | plaything | reckoner | sponge | teddy bear | windowpane OCR: Sobuods Phylum: Porifera Class: Demospongiae Sponges are sedentary filter feeders whose bodies pass water through metwork of canals into cham bers where food is filtered out; the water IS then expelled Sponges appear in many sizes colors pue shapes and are the oldest group of multicellular ani- mals. network
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