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9 Cards in this Set
- Front
- Back
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mesozoa
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A. rhombozoans
B. orthonectids C. cellular level organization D. complex reproductive cycle 1. hermaphrodites 2. verminform larva: asexual in same host 3. infusiform larva: sexual dispersed |
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placozoa
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A. 1 species: trachoplax
B. once cnidaria C. tiny flattened ciliated marine D. cell level organization.. 4 cell types, no organs E. budding & diocious F. extra-organismal feeding |
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porifera
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A. suspension feeders
B. diploblastic C. body: specialized cells in mesohyl 1. asconoid: flagellated spongocoel 2. syconoid: flagellated canals 3. leuconoid: flagellated chambers D. endoskeleton of protein fibers & spicules E. cell level specialization: not true tissues 1. all the -cyte cells F. mono & dioecious; budding G. two larval 1. parenchymula 2. amphiblastula H. regeneration & somatic embryogenesis I. classes 1. calcerea 2. demospongiae 3. hexactinellida |
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cnidaria
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A. diploblastic & mesoglea
B. blindsac body plan C. acoelomate, tissue level organization, some organs D. cnidocytes & nematocysts E. sensory cells.. rhopalium F. epithelio & gastro -musclular cells G. no excret or respir H. complex life cycles: medusa & polyp I. mono & dio -ecious J. planula larva K. classes 1. hydrozoa 2. scyphozoa 3.staurozoa 4. cubozoa 5. anthozoa |
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platyhelminthes
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A. triploblastic- true mesoderm
B. acoelomate- inner cellular parenchyma C. organ system organization D. no respir no ciculatory E. nervous system: nerve plexus & centralization F. protonephridia (flame & tube excretory) G. classes 1. turbellaria 2. monogenea 3. trematoda 4. cestoda |
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nermertea
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A. small flattened body
B. triploblastic C. Rhyncocoel: eversible proboscis D. acoelomate E.tube w/in tube digestive F. no respiratory system G. blood vascular circulatory system H. free living predators I. diecious, & some fragmentation J. pilidium larva |
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rotifera
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A. freeliving, freshwater, some epizoites
B. cuticle and syncytial epidermis D. corona (locomotion & grinding) E. trophi (jaws>grinding) F. mastax: muscular pharynx G. attachment, foot narrow/contractile H. nervous system: bilobed; brain I. diecious: amictic & mictic eggs.. some parthenogenesis J. eutely: nuclear constancy |
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nematoda
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A. vermiform (cylindrical)
B. cuticle: of collagen proteins C. dioecious D. free living; import in decomp & food webs E.parastic forms |
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pseudocoelomates in general
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a. bilateral
b. triploblastic c. pseudocoelom: fluid filled & hydroskeleton d. smallllll e. vermiform with cuticle f. mouth-anus digestive g. muscular pharynx h. no circulatory or respiratory i. excretory: canals & protonephridia j. nervous system: ganglia & circumentric ring k. sensory organs l, muscles: longitudinal fibers m. most dioecious n. eggs covered in chitin o. eutely |
