Table of Phyla Characteristics

Table of Phyla Characteristics - Classification diffusion...

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Classification PHYLUM SP= subphylum C=class Grade of Organization Systems Digestion Circulation Respiration/ Gas exchange Nervous/ Sensory Excretion Reproduction Support/ Locomotion PORIFERA cellular diploblastic no system; intracellular diffusion diffusion unknown diffusion -asexual -sexual (monoecious & dioecious) -spongin -spicules -mesohyl CNIDARIA C: Hydrozoa tissue diploblastic incomplete (sac-like GVC); gastrozooids diffusion in GVC diffusion -nerve net (plexus) -statolith (orient) -ocellus (light) diffusion -asexual -sexual (gonozooids) -hydrostatic skeleton C: Scyphozoa tissue diploblastic incomplete (sac-like GVC) diffusion in GVC diffusion -nerve net (plexus) -statolith (orient) -ocellus (light) diffusion -asexual -sexual (strobilation) -hydrostatic skeleton C : Anthozoa tissue diploblastic incomplete (sac-like GVC); siphonoglyphs diffusion in GVC diffusion -nerve net (plexus) -statolith (orient) -ocellus (light) diffusion -asexual -sexual -hydrostatic skeleton PLATYHEL-- MINTHES C: Turbellaria tissues & organs triploblastic incomplete (tri-lobed gut) diffusion diffusion -ladder-like cerebral ganglion -eyespots, auricle protonephridia (flame cells) -hermaphroditic -hydrostatic skeleton -ciliated epidermis C: Trematoda tissues & organs triploblastic incomplete diffusion -ladder-like cerebral ganglion protonephridia (flame cells) -hermaphroditic -hydrostatic skeleton 1
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C: Cestoda tissues & organs triploblastic no system; diffusion diffusion -ladder-like cerebral ganglion protonephridia (flame cells) -hermaphroditic -hydrostatic skeleton NEMERTINA tissues & organs triploblastic complete (mouth-gut- anus) closed -ladder-like cerebral ganglion protonephridia (flame cells) -circular + longitudinal muscles NEMATODA tissues & organs triploblastic complete no system; fulfilled by fluid pseudocoel -cerebral ganglion -dorsal & ventral nerve cords -Renette gland system -sexual (most are dioecious) -amoeboid sperm -paired uteri -ovoviviparous -hydrostatic skeleton (pseudocoel) -cuticle -longitudinal muscles only whiplike motion ROTIFERA tissues & organs triploblastic complete -corona -mastax-trophi complex no system; fulfilled by fluid pseudocoel -eyespots -sensory pits -papillae -protonephridia (flame bulbs) -sexual mictic cycle -asexual parthenogenesis -hydrostatic skeleton (pseudocoel) -cuticle -corona (cilia) ANNELIDA C: Polychaeta tissues & organs triploblastic complete -jaws closed -dorsal & ventral blood vessels -respiratory pigment -cerebral ganglion -ventral nerve cord -eyes -tentacles, palps -nephridial sys. -sexual (most are dioecious; epitoky) -asexual -trocophore larva -parapodia (with acicula) -long. + circ. muscles C: Oligochaeta tissues & organs triploblastic complete -gizzard -typhlosole closed -dorsal & ventral blood vessels -respiratory pigment -cerebral ganglion -ventral nerve cord -nephridial sys. -hermaphroditic
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Table of Phyla Characteristics - Classification diffusion...

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