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By Ms .AZRA ARIF D.A DEGREE COLLEGE FOR WOMAN PHASE VIII. Curriculum preview. Characteristics Pore bearer organism Diploblastic ,asymmetrical, aquatic organism Canal system Asexual reproduction Have three classes. PHYLUM PORIFERA. Have calcareous spicules Examples Ascon , sycon.
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By Ms .AZRA ARIF D.A DEGREE COLLEGE FOR WOMAN PHASE VIII Curriculum preview
Characteristics Pore bearer organism Diploblastic ,asymmetrical, aquatic organism Canal system Asexual reproduction Have three classes PHYLUM PORIFERA
Have calcareous spicules Examples Ascon , sycon Class: calcaria
Have SILICIOUS SPICULES EXAMPLE; EUPLACTELLA class: hexactinellida
HAVE SLICIOUS SPICULES OR SPONGIN FIBRES MAY BE WITHOUT SKELETON (SPICULES NOT SIX RAYED) EXAMPLE; SPONGILLA CLASS: DEMOSPONGIA