Term
difference between Amphipoda and Isopoda |
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Definition
amphipoda has a curve to it and is side-side flat
isopoda is dorsal-ventral flat |
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Term
what is the distinguishing characteristic of Mysida? |
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Definition
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Term
difference between Cumacea, Mysida, Lophogastrida and Euphausiacea |
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Definition
Cumacea - big head, long abdomen
Mysida - big statocysts, no pleopods
Lophogastrida - no statocysts, pleopods present
Euphausiacea - looks like shrimp |
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Term
defining characteristic for Stenopodidea |
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Definition
3rd preopod is enlarged and chelate |
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Term
defining characteristic of Caridea |
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Definition
2nd abdominal segment overlaps 1st and 3rd |
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Term
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Definition
Phyllosoma
big head, tiny abdomen, long legs |
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Term
what the hell is a Thalassinidea? |
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Definition
mud shrimp
looks like a crayfish with abdomen super tucked under |
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Term
two larval stages of Brachyura |
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Definition
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Term
larval form of Asteroidea |
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Definition
brachiolaria
looks like a ball with spaghetti arms |
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Term
larval stage of Ophiuriodea |
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Definition
pleuteus
looks like buzz lightyears spaceship... kinda |
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Term
larval stage of Echinoidea (sea urchin specifically) |
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Definition
pluteus
looks like born this way virus |
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Term
tube that runs down arms of Asteroidea |
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Definition
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Term
difference between ambulacral area and interambulacral area of urchin |
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Definition
big light colored area is interambulacral
ambulacral area contains the podia |
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Term
Bryozoa difference between parts |
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Definition
zooid - individual animal, has lophophores
zooecium - hard covering that covers the colony |
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Term
Brachiopoda differences between classes |
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Definition
Articulata - has dent, short stalk
Inarticulata - looks like a oval clam, has stalk |
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Term
big thing in Asicidiacea and Leptocardia |
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Definition
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Term
what does a Thaliacea look like? |
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Definition
a barrel with a gill plate |
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Term
what a Phoronida looks like |
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Definition
lophophores sticking out of a tube |
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Term
what a larvacea looks like |
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Definition
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