Sponges, ctenophores, cnidarians

Sponges, ctenophores, cnidarians - BSC 2011L Kingdom...

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Unformatted text preview: BSC 2011L Kingdom Animalia  All animals are multicelluar and heterotrophic S Some means of locomotion S Always diploid Animal Taxonomy Body Symmetry Phylum Porifera  Live in water, mostly marine S No true tissues S Adults are sessile but larvae are mobile - planktonic S assymmetrical S Can produce asexually and sexually S Digestion intracellular choanocytes S Circulation water transport Phylum Porifera  Animal: sponges S Symmetry: asymmetrical S Body cavity: spongeocoel S Digestion: intracellular choanocytes S Circulation: water transport, amoebocytes S Segmentation: none S Appendages: none S Nervous: none S Habitat: Aquatic, marine S Respiration: diffusion S Excretion: diffusion S Locomotion: none (sessile, however larvae are flagellated) S Support: spicules Phylum Ctenophora  Radially symmetrical S True tissues (diploblastic) S Move by cilia S Many are bioluminescent Phylum Cnidaria  Radially symmetrical S True tissues (diploblastic) S Two body forms: polyp...
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This note was uploaded on 06/06/2011 for the course BSC 2011L taught by Professor Presley during the Spring '11 term at FAU.

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Sponges, ctenophores, cnidarians - BSC 2011L Kingdom...

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