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Overview of Phylum Porifera: Characteristics, Classifications, and Reproductive Systems

This document provides a detailed preview of Phylum Porifera, highlighting its key characteristics and classifications. Porifera, or sponges, are diploblastic, asymmetrical aquatic organisms that exhibit a canal system and asexual reproduction. The phylum is divided into three main classes: Calcarea, characterized by calcareous spicules, Hexactinellida, which contain silicious spicules or spongin fibers without a skeleton, and Demospongiae. Examples include Ascon, Sycon for Calcarea, and Spongilla for Demospongiae, demonstrating the diversity within this fascinating group of organisms.

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Overview of Phylum Porifera: Characteristics, Classifications, and Reproductive Systems

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  1. By Ms .AZRA ARIF D.A DEGREE COLLEGE FOR WOMAN PHASE VIII Curriculum preview

  2. Characteristics Pore bearer organism Diploblastic ,asymmetrical, aquatic organism Canal system Asexual reproduction Have three classes PHYLUM PORIFERA

  3. Have calcareous spicules Examples Ascon , sycon Class: calcaria

  4. Have SILICIOUS SPICULES EXAMPLE; EUPLACTELLA class: hexactinellida

  5. HAVE SLICIOUS SPICULES OR SPONGIN FIBRES MAY BE WITHOUT SKELETON (SPICULES NOT SIX RAYED) EXAMPLE; SPONGILLA CLASS: DEMOSPONGIA

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