Term
| What is turbellaria larva? |
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Definition
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Term
| what type of body do platyhelmenthis have? |
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Definition
| acoelomate, no body cavity |
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Term
| how do platyhelmenthis excrete waste? |
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Definition
| protonephridia->nephrideopore->flame cells beat cilia, creat neg. pressure, bring fluid into flame cell->fluid moves down tubules, ultrafiltration |
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Term
| what type of tissue organization does platyhelmenthis have? |
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Definition
| triploblastic (mesoderm, muscles/tissues, paranchyma) |
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Term
| what type of body does turbellaria have? |
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Definition
| cilliated, covered in mucus |
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Term
| what do all parasitic platyhelmenthis have in common? |
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Definition
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Term
| what does the eucestoda use to attach to host? |
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Definition
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Term
| how does eucestoda reproduce? |
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Definition
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Term
| what is the name of the egg and developing larva of eucestoda? |
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Definition
| shelled ocosphere; cysticercus |
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Term
| what type of host does monogenea have? |
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Definition
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Term
| what type of digestive system does monogenea have? |
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Definition
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Term
| what is monogeneas free swimming, ciliated larvae called? |
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Definition
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Term
| the digenea (class trematoda) is commonly called what? |
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Definition
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Term
| what type of host does digenea have? |
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Definition
| vertebrae definitive, 1-2intermediate |
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Term
| describe the reproductive cycle of digenea? |
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Definition
| egg-> miracidium -> mother sporocyst with germballs -> cercaria --encysts--> metacercarial cyst --excysts--> adult |
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Term
| what type of body does mesozoa have? |
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Definition
| no body cavity, no digestive, no organs |
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Term
| what are mesozoas cell layers and their function? |
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Definition
| endoderm (ciliated, movement) mesoderm (reproduction) |
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Term
| what is so unique about mesozoa? |
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Definition
| cells develop w/in other cells |
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Term
| describe reproduction of orthenectida? |
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Definition
| free-living sexual phase, find mate in sea water, ciliated larva, once enters hose cilia lost, develop plasmodia from inner cells of larva, keep on developing, adult develops w/in plasmodeium and leaves host to reproduce |
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Term
| describe rhombozoas body? |
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Definition
| vermiform; 20-30 ciliated somatic cells around axial cell |
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Term
| what are the two phases of the axoblast cells of the axial cells of the rhombozoa? |
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Definition
| rhombogen: sexual, nematogen: asexual |
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Term
| describe rhombozoa reproduction? |
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Definition
| rhombogen in host -> infusoriform (sexual inside axial cells) -> produce egg/sperm -> self fert. -> infusiform larva (insiade rhombogen) |
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Term
| what type of body does rotifera have? |
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Definition
| pseudocoelomate (hydrostatic skeleton) |
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Term
| what is the tissue organization of rotifera? |
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Definition
| triploblastic, eutely (fixed # cells) |
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Term
| how does rotifera get food? |
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Definition
| using ciliated corona, ciliated food goove b/w bands of cilia |
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Term
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Definition
| cilia, looping, temp. attach, some sedentary |
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Term
| how does rotifera excrete waste? |
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Definition
| 2 protonephridia in pseudocoel |
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Term
| how does rotifera asexual reproduce? |
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Definition
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Term
| what is unique about bdelloidea? |
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Definition
| all female, amictic repro (no meiosis); parthanogenisis; also, have a hard covering and undergo cryptobiosis to adapt |
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Term
| what does monogonota use the thick cuticle for? |
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Definition
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Term
| what type of body does acanthocephala have? |
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Definition
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Term
| how does acanthocephala attach to host? |
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Definition
| probiscus with spires and hooks |
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Term
| how do acanthocephala reproduce? |
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Definition
| gonochroistic, copulate, internal fert. egg ingested by host-> acanthor -> acanthella > encystment -> cystacanth -> exocystement, adult |
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Term
| how are nemertea similar to turbullarians |
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Definition
| dorsoventrally flat, coelomate, ciliated epidermis w/ mucus |
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Term
| how are nemertea diff from turbellaria? |
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Definition
| circulartory system, complete gut, hollow muscular probiscus not part of gut and housed in rhynchocoel |
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Term
| what is the free swimming larva of nemertea called? |
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Definition
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Term
| how do nemertea asexual reproduce? |
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Definition
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Term
| what is unique about anopla? |
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Definition
| no stylet, separate openings for probiscus and mouth |
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Term
| what is unique about enpola? |
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Definition
| stylet with probiscus, one opening for them |
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Term
| what are the layers of the mollusc? |
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Definition
| periostracum (outer), prismatic (caco3), nacreaous layer |
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Term
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Definition
| mantle cavity houses ctenidia (gills) |
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Term
| what type of body does mollusc have? |
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Definition
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Term
| what is in the buccal mass of a mollusc? |
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Definition
| radula, odontophore, musculature |
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Term
| what is in the stomach of a mollusc? |
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Definition
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Term
| if a mollusc is hermaphroditic (simultaneous sequential), what is it called? |
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Definition
| protandrous (male change to female) |
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Term
| what is the name of mollusc larvae? |
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Definition
| trochophor, and veliger (FW bivales: glochidium) |
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Term
| what covers polyplacophora? |
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Definition
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Term
|
Definition
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Term
| monoplacaphora have what kind of organization with organs? |
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Definition
| serialization: organs in repeated units |
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Term
| what happens to veliger larva of gastropoda? |
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Definition
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Term
| advantage of gastropoda torsion? |
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Definition
| fresh water into mantle when miving, keep stirred water out of mantle when moving, easier to bring head into shell |
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Term
| disadvantage of gastropoda torsion? |
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Definition
| anus and mouth close, unidirectoinal water flow, lose ctenidium on right side |
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Term
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Definition
| mucus to move with well developed food, ciliary action, pedal waves |
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Term
| what is unique about prosobranch gills? |
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Definition
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Term
| what group are marine nermaphrodites a part of? |
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Definition
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Term
| how do opisthobranchia move? |
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Definition
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Term
| how are opisthobranchia diff from prosobranchs? |
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Definition
| shell, opersulum, mantle cavity= (reduced, lost (but were present in larval stage), limited torsion and detorison, ctnendiia lost or reduced. |
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Term
| whats unique about Pulmonata respiratory? |
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Definition
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Term
| bilalvia have what muscle holding their shell? |
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Definition
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Term
| protobranchs have what type of primitive organization? |
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Definition
| one pair of ctenidia for gas exchange |
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Term
| what does the ctenidia in lamellibranchs do? |
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Definition
| gas exchange and feeding (suspension) |
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Term
| what type of gill do septibranchs have? |
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Definition
| fence gill; anomalodesmata |
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Term
| how does scaphopoda get food? |
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Definition
| used catacula (bulbous with sticky end), uses cilia to move into mouth |
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Term
| what trend is found in cephalopods? |
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Definition
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Term
| what type of shell did early cephalopods have? |
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Definition
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Term
| what is the function of the siphuncle in the nautilis? |
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Definition
| replaces fluid with gas to float |
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Term
| what is diff about cephalopoda ctenidia? |
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Definition
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Term
| how do cephalopoda reproduce? |
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Definition
| male uses modified arms to transfer spermatophore into females mantle cavity |
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