Download Comparative Analysis: Wuchereria, Metazoa Origin, and Glochidium Larvae in Bivalvia and more Exams Zoology in PDF only on Docsity!
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Define and/or explain each of the following as completely as possible, (4 pts each)
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periostracum
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J Place the letter of the best phrase or word in the right hand column with the name in the left column. (I pt each)
Bivalvia C I
Pulmona~ Ctenophora~ Scyphozoa~ Mesozoa~ Caudofoveata~ Rotifera 1 Anthozo~ ACanthoceGhala_l_,_ Cestoda , Gastrotricha-0 ' Scaphopoda_~, Cupozoa {Jl. NematodaT Schistoso~ NematomoTP,~ Neinertea~ Trematoda-L Entoprocta_ t_, _
Astrobila ~ "Scotch tape method"
ts. glochidiumJarva
1\ arthropod parasite
~ anus within tentacle ring
'l\ swimmer's itch
~ , proglottid l'l. worm-like mollusk
't Mictic/amictic eggs
}..comb plates
'1. hermatypic coral
l... spiny-headed worm
M, sea wasp
~ rhynchocoel
'0. interstitial bottom feeder
'R liver fluke ~ octopus kidney
I. captacula
\ pneumostome
~I\ C,.., r d~fl ' ~ ,
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Compare and contrast each of the following: (6 pts each)
l.lIidocyte vs. choano.
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fIssion vs. conjugation
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contractile vacuole vs. tlame cell
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Brielfy o~tline (Y?U ma7 use a ~wing, but label and explain) the general life cycle of Wuchereria ba~cro(tl. What IS the mtennedlate host of this parasite? Where does the parasite reside while hvmg III each host? What symptoms are eXhibited b~ human earners 01 this mfect\On?~:~ts')-. ---. 5extfill CI,)C Fc-I'Ir.J &+.Ic 1 M~., .... ) 1-0 b/lo h~"'" ~'J>t cv-J Il'j t.)h i.::.:,;~~VU1t1 ~c.,U"fl l
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B. Briefly describ d 0 t the 3 hypotheses proposed for the origin of the metazoa. Which hypothesis is ost compatib ith the available data and why? (8 pts)
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C. f3rietly de scribe the unique role of the glochidium larva in the reproduction and dispersal oflhe [1ivalvia. (fJ pIS) f ((JL .. /rr c l~ v "'J ..f £'\ C1/ vIVl 1 0~ (. ('(/l)w/c.,5<- J ~lCir r(C f', j ~ / ~" l.M fh^ '1 1 .>cCJ, ..... I~~~ ..
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