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KINGDOM ANIMALIA INVERTEBRATES. CHAPTERS 32-38. ANIMAL CHARACTERISTICS for verts and inverts. Motile during some stage of the organism life Multicellular Heterotrophic Mostly sexual reproduction. SPONGES Phylum Porifera. COMB JELLIES Phylum Ctenophora. FLATWORMS Phlyum Platyhelminthes.
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KINGDOM ANIMALIAINVERTEBRATES CHAPTERS 32-38
ANIMAL CHARACTERISTICSfor verts and inverts • Motile during some stage of the organism life • Multicellular • Heterotrophic • Mostly sexual reproduction
INVERTEBRATE CHARACTERISTICS AND TRENDS • asexual sexual reproduction • Assymmetry radial bilateral symmetry • No tissues 2 layers 3 tissue layers • no body cavity pseudo body cavity true body cavity • protostomes deuterostomes • circulatory systems open: blood pumped into open cavity closed: blood vessels form loop • nerve net simple nervous system cephalization • No segmentation segmentation segmentation with appendages