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71 Cards in this Set
- Front
- Back
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This strange worm is found living on the gills of horseshoe crabs, with which it shares a commensal relationship. |
Bdelloura candida |
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Bdelloura candida |
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Which clade is known as the "free living flatworms?" |
Turbellaria |
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Which clade contains ectoparasites? |
Monogenea |
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Define Hyperparasitism |
Parasite on a parasite |
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What is the life cycle of a monogenean? |
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What are Rhabdites? |
Epidermal glands that excrete mucus |
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How do most small platyhelminthes move? |
Cillar propulsion on top of a mucus bed |
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What is the difference between budding, paritomy, and architomy? |
Paritomy is when a full size specimen buds off; architomy is when a piece falls off the worm and grows a new worm; budding is when a small clone breaks off from the worm |
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What does the life cycle of a trematode look like? |
Starts usually in a gastropod, then goes to a vertebrate or invertebrate host, ending with the vertebrate |
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What does a cercaria look like? |
a curled up worm with a spastic tail |
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What is a cercaria |
one of the stages of a trematode |
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Describe the cestode digestive tract |
Trick question! it doesn't have one |
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What does the life cycle of a cestode? |
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What clades include endoparasites? |
Cestoda and Trematoda |
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Crassrostrea Virginica |
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What effects do climate change have on oyster reefs? |
Acidic water: calcium excretion inhibited; warmer temperatures: no breeding |
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What are the optimal characteristics for an oyster reef? |
Rocky or firm mud, steady flow of water, euryhaline water (5-30 ppt), eurythermal (1-36*) |
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Why do oysters need a steady flow of water |
they will suffocate due to lack of circulation of feces and phytoplankton |
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why do oysters need firm mud to live on? |
excess sedimentation can kill them |
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What is and what relationship does Perkinsus marinus have with oysters? |
endoparasitic protist |
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What relationship does Boonea impressa have with oysters? |
ectoparasitic snail |
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How do velegers know where to grow their spat? |
Hormonal signaling by mature oysters and a crawling period to test out the location |
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What relationship does Zaops ostreum have with oysters? |
endoparasitic crab |
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What relationship does Polydora websteri have with oysters? |
endoparasitic worm (shell) |
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What relationship does Clinona sp. have with oysters? |
commensal sponge, but can still injure shell |
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How do bivalves feed? |
gills |
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Mercenaria mercenaria |
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Nucula proxima |
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How do protobranchs feed? |
Use foot to feed on the deposit |
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How do Filibranchs feed? |
unfused filaments |
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Anadara oalis |
filibranch |
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Mercenaria mercenaria |
eulamellibranch |
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How do eulamellibranchs feed? |
few cillia |
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How do septibranchs feed |
use modified gills to create inhalant siphon, predatory vaccumns |
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What do mussels use to attach themselves to a substrate? |
Bissel threads |
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Bankia gouldi |
eumellibranch |
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Raeta plicatella |
Eumellibranch |
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Donax variabilis |
Eumellibranch |
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Atrina rigida |
filibranch |
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cassostrea virginica |
filibranch |
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Argopecten irridians |
filibranch |
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Lithophaga bisulcata |
filibranch |
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aligena elevata |
eulamellibranch |
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ectocochleates |
nautilus, exterior shell |
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endocochleate |
rest of cephalopods |
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Lolliguncula brevis |
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Loligo pealeii |
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euprymna berri |
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Watagenia scintillans |
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Octopus briareus |
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True or false: is a vampire squid a squid? |
NO it's an octopus |
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Lobatus gigas |
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What clade includes limpets and abalone, which have a hole in the shell? |
Archaeogastropods |
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What clade includes the sea butterflies? |
pteropod |
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what clade includes the coiled gastropods? |
Neogastropoda |
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What crazy contraption do nudibranchs use to steal stinger cells from other critters |
Kleptocnidea |
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Horse conch |
triplofusus giganteus |
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What strange limpet is found on the hydrothermal vents in the deep ocean? |
Lepetodrillus fucensis |
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What gastropod steals chloroplasts from other organisms? |
Saccoglossan |
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What do saccoglossans use to steal choloplasts from other plants? |
Kleptoplasty |
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What clade of gastropods use a chemical defense in order to protect themselves? |
Aplysia |
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What sea hare can be found in tampa? |
Bursatella leachii |
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What sessile gastropod weaves a mucus net to capture its prey |
Vermitids |
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What is torsion? |
180* twist of visceral mass |
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What are teh two subclasses of aplacophorans? |
caudofoveata and solenogastres |
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What clade does an organism that burrows in the muddy sediment and feeds on detritus belong to? |
Caudofoveata |
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What clade does an organism that specializes in eating cnidarians belogn to? |
Solenogastres |
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What clade do tusk shells belong to? |
Scaphopoda |
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tusk shell |
Dentalium eboreum |
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what relationship does Polydora lignii have with oysters? |
endoparasitic polychaete |
