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The top documents tagged [commercial sponges]
Phylum Porifera
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1 PHYLUM PORIFERA Sponges are - simplest invertebrate animal - more than 5,000 species - mostly marine, some fresh Their bodies contain pores - thus the
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Szivacsok, korallok Porifera - szivacsok Archaeocytha Cnidaria - csalánozók pp. 208-218
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