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28 Cards in this Set
- Front
- Back
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Hydra
tube with tentacles. Sessile |
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Flatworms - very flat -eye spots -dark melted color - unsegmented |
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Roundworm - unsegmented - clear - pointed tail and tapered head |
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Aquatic Earthworms - segmented - round bodies with hairs on segments |
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Leeches - segmented - suckers on both ends - vary in color |
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Clams and Muscles - 2 hinged shell halves |
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Snails and Limpets - spiral or capped shell |
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Sowbugs -ventrally compressed - 7 pairs of legs - sub-chelate for first pair |
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Scuds - laterally compressed - 7 pairs of legs - 6 segmented abdomen |
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Crayfish -small lobsters - 5 walking leg pairs -first 3 chelate |
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Aquatic mites - sphere like body - no visible segments - 4 pairs of legs in adults (3 juvenile) |
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Dragonflies - no visible gills - big head and eyes - modified labrum -flattened |
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Damselflies - 3 external gills on end of abdomen - tubular - modified labrum |
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Mayfly -3 tailed (may have 2) - single tarsal claw - gills on abdoment |
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Stonefly - 2 tails - 3 pairs of legs - tarsi with 2 claws - gills may be abdominal - ventral head or neck |
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Caddisfly - hooked anal proleg - may have a case - sclerotized dorsal thoracic plates |
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True Bugs - sucking mouth parts (beak) - 2 claws on at least some of the legs - leathery - 2 pairs of membranous legs |
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Beetle - 3 pairs of thoracic legs Larvae: sclerotized head with mandibles, labium and segmented antenna |
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Beetle Adults: forewing modified as elytra, antenna |
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Fishflies, Alderflies, Dobsonflies - lateral abdominal gill filaments - well developed mandibels - anal prolegs |
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Aquatic Moth -head with ring of ocelli - 3 paris short segmented thoracic legs - ventral abdominal prolegs |
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Midges - well developed sclerotized head with eyes - j shaped - anterior and posterior paranoids with hooks |
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No-see-ums - segmented and very slender -pointed ends - small sclerotized head |
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Horse Flies/ Deer Flies - 3-4 pairs of creeping welts (hooks on each of first 7 abdominal segments ) - pointed at both ends - leathery looking |
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Crane Flies - creeping welts - posterior respiratory disc with loves -membranous body |
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Mosquitoes -fused thoracic segments wider than abdomen - brushed of hairs at front of head and mouth - posterior respiratory siphon |
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Black Flies - labral fans - one end is quite fat - posteror attachment |
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Other true Flies - adults with single pair of wings - may have parapods/ pseudopodia/ creeping welts - no jointed thoracic legs - maggot like |
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