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PHYLUM PORIFERA. I Characteristics 1. Radial symmetry 2. Diploblastic 3.Reproduction by asexual & sexual means. 4. Body wall pierced by numerous pores 5.Internal skeleton. Porifera contd. 6 Choanocytes 7 Most marine; a few fresh water
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PHYLUM PORIFERA • I Characteristics • 1. Radial symmetry • 2. Diploblastic • 3.Reproduction by asexual & sexual means. • 4. Body wall pierced by numerous pores • 5.Internal skeleton
Porifera contd. • 6 Choanocytes • 7 Most marine; a few fresh water • 8. Grouped according to spicules • 9. Non motile, aquatic filter feeders. • 10 Usually slimy to the touch and may have an unplesant odor.