Term
| Annelid circulatory system |
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Definition
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Term
| Annelid respiratory pigments |
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Definition
| Hemoglobin, chlorocruorin, hemerhythrin |
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Term
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Definition
| Schizocoelous, bilateral symmetry, segmented |
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Term
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Definition
| Well developed; dorsal cerebral ganglion, circumcentric connectives, ventral ganglionated nerve cords |
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Term
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Definition
| Most with metanephridia, protonephridia less common |
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Definition
| Dioecious or hermaphroditic; many have trochophore larvae |
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Definition
| Marine, terrestrial, freshwater |
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Term
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Definition
| Lugworms; body divided into 2-3 distinct sections; unarmed, eversible pharynx; J-shaped burrows |
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Term
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Definition
| Parchment worms; Body divided into 3 sections; U-shaped burrows; mucous-net filter feeders |
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Term
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Definition
| Bloodworms; 4 hooked jaws on enormous pharynx |
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Term
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Definition
| Clamworms/ragworms; Errant predators; well-developed parapodia; one pair large, curved pharyngeal jaws; growth by adding segments in front of pygidium |
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Definition
| Scale worms; covered in dorsal scales; flattened dorsoventrally; pharynx with one pair of jaws |
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Term
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Definition
| Syllids; pharynx w/ single tooth or ring of small teeth |
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Term
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Definition
| Pelagic polychaetes; flattened, transparent body; finlike parapodia |
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Definition
| Feather duster worms; live in tubes; pharynx noneversible; lined with cirri; size-selective filter feeders |
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Definition
| "Feather" of fan worm; modified tentacle specialized for filter feeding |
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Term
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Definition
| Feathery branches on radioles; covered in beating cilia |
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Term
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Definition
| Tubeworms; live in calcareous tubes; anterior end w/ ciliary crown like Sabellids; 3, 4 or 5 thoracic segments; tiny & highly geared for reproduction; hermaphroditic |
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Term
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Definition
| Christmas Tree Worms; funnel-shaped operculum that can be pulled into the end of the tube when worm withdraws; ciliary crown |
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Term
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Definition
| Spaghetti worms; live in permanent tubes in sediments; surface detritus feeders |
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Term
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Definition
| Earthworms & leeches; no parapodia; chaetae reduced or absent; hermaphroditic (gonads restricted to few ant segments); direct development; marine, FW, damp terrestrial; 36 segments, each with annuli |
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Definition
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Definition
| Body segments are very similar |
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Definition
| Groups of body segments specialized for different functions |
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Definition
| Terminal, postsegmental part bearing the anus |
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Definition
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Definition
| Tiny, spinelike structures derived from single epithelial cells |
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Term
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Definition
| Body form reflects habitat: errant hunters and burrowing deposit feeders are pretty much homonomous; sedentary forms are heteronomous; chaetae |
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Term
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Definition
| True leeches; many ectoparasitic bloodsuckers; body of 34 segments; anterior & posterior suckers; no chaetae; coelom reduced to series of lacunae |
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Definition
| Lack parapodia; few/simple head appendages; hermaphroditic; clitellum; moveable chaetae, but few of them |
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Term
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Definition
| Reproductive structure of oligochaetes and hirudinoids; secretes egg cocoon that can be deposited in moist sediment |
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Term
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Definition
| Clitellum; fixed number of segments (34); anterior/posterior suckers; lack parapodia & chaetae; anterior eyes; hermaphroditic w/ complex reproductive systems |
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Term
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Definition
| Anticoagulant produced by Hirudinians; allows blood to be drawn after leech is removed |
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Term
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Definition
| Peanut worms; nonsegmented; sausage-shaped body with retractable introvert & trunk; U-shaped gut; dorsal anus; body covered in small bumps/spines; all benthic/marine; specialized multicellular urns for waste collection |
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Term
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Definition
| Multicellular structures of sipuncs; some fixed to peritoneum, some free-swimming in coelom; trap waste & dead cells with cilia & mucous |
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Term
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Definition
| Nonsegmented; body divided into anterior, preoral proboscis & enlarged trunk; mouth at the anterior end of trunk at base of gutter (proboscis groove); can be pretty big; dioecious; trochophore larvae; chaetae similar to annelids |
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Definition
| Velvet worms; slime glands; shoot slime out at prey that hardens so they can go eat at leisure; females larger w/more legs; single pair of jaws |
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Term
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Definition
| Water bears; cryptobiosis/anabiosis; malpighian tubules present |
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Definition
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Term
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Definition
| Waxy, thinner, lighter, more flexible |
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Term
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Definition
| Prostomium; first body segment of annelid anterior end |
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Term
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Definition
| Dorsal portion of arthropod segment apart from the head; can be called terga, tergites, tergal, etc. |
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Term
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Definition
| Lateral segments of arthropod exoskeleton |
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Term
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Definition
any of the longitudinal series of segments or parts into which the body of certain animals is divided; a metamere.
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Term
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Definition
| Pits on polychaete head filled with cilia & connected to NS |
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Term
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Definition
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Term
| Size selective filter feeding |
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Definition
| Polychaetes (Spirorbid, serpulid, sabellid, etc.) filter particles out of the surrounding waters. The smallest ones are used for food and the medium-large ones are incorporated as part of the tube or discarded |
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Term
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Definition
| Ciliary ring on a trochophore larvae (top ring of cilia); primarily used for swimming |
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Term
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Definition
| Ciliary ring on a trochophore larva (bottom lateral ring); primarily used to kick food into the mouth |
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Term
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Definition
| Band of cilia on a trochophore that runs anterior-posterior |
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Term
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Definition
| Cellular; mucus producing cells, sensory receptors, cilia, eyes in some |
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Term
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Definition
| Thin, iridescent, acellular; protective layer secreted by epidermis |
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Term
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Definition
| Hydrostatic skeleton; circular and longitudinal muscles (swimming, burrowing, crawling, tube-dwelling) |
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Term
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Definition
| Paired appendages; segmental; main function locomotion; also carry sensory structures; 2 lobes |
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Term
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Definition
| Upper lobe of a parapodium |
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Term
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Definition
| Bottom lobe of a parapodium |
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Term
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Definition
| Chitinous rod supporting parapodia; muscles attached to it move parapodium forward & backward |
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Term
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Definition
| Simple & compound; 1, 2, 3 pairs, or multiple eyes on branchial crown, or multiple eyes on collar or on posterior end |
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Term
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Definition
| Internal folding of intestinal wall to increase SA for digestion; oligochaetes |
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Definition
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Term
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Definition
| Cerebral ganglion; dorsal to mouth; connects to subpharyngeal ganglion by circumpharyngeal connective (a ring around the gut) |
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Term
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Definition
| Christmas tree worm; operculum closes tube entrance; palps manipulate food/sand grains; may have eyes |
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Term
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Definition
| Parchment worms; 3 highly differentiated body segments; modified parapodia to create current; mucus sacs |
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Term
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Definition
| Scavengers, predators, ectoparasites; 3 cutting jaws (BMW); active pumping by pharyngeal muscles to suck out blood |
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Term
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Definition
| Pump anticoagulant and anesthetic from salivary glands into wound to prevent clotting while feeding; special gut bacteria prevent blood from putrefying before digested |
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Term
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Definition
| Insects; 6 legs; head, thorax, abdomen; 5, 3, 11 somites |
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Definition
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Definition
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Definition
| Winged insects; wings on 2 thoracic segments (mesothorax/metathorax); 3 pairs legs (meso/meta/prothorax); abdominal ovipositor |
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Term
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Definition
| Moths/butterflies; holometabolous; hind wings covered with scales; proboscis; sensory taste organs on feet |
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Term
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Definition
| True flies, mosquitoes; 1 pair wings, 1 pair halteres (mesothorax); 2nd pair wings gyroscopic; sponging/biting mouth parts - blot up food; |
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Term
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Definition
| Bees/wasps; mouth parts for sucking or biting; ovipositor, stinger, venom; huge compound eyes, see UV light; legs have diverse functions; social; 2 pair wings hooked together (advanced, reduced veination) |
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Term
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Definition
| Praying mantis/stick bugs; raptorial appendages |
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Term
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Definition
| Beetles/scarabs/ladybugs; largest order; 1 pair elytra wing covers (hard shell covers whole body), 1 pair flying wings; holometabolous; important in forensics |
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Term
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Definition
| Dragon/damselflies; predatory; large compound eyes; hemimetabolous; primitive wing shape & veination |
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Term
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Definition
| Dragonflies have horizontal wings, damselflies have vertical wings; eyes touch (or nearly) in dragon, separate/lateral in damsel |
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Term
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Definition
| Grasshoppers/crickets/katydids; hemimetabolous; enlarged legs specialized for jumping; biting/chewing mouthparts |
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Term
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Definition
| Cockroaches; dorsoventrally flattened; 2 pair wings; 1st pair leathery, 2nd pair flight; legs adapted for running; eggs laid in ootheca (15-30 eggs per) |
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Term
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Definition
| Swimming crustacean leg; abdominal |
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Term
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Definition
| Terminal segment of crustacean leg; "moveable finger" in claw |
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Term
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Definition
| 2nd to last segment in crustacean leg; "immoveable finger" & main part of claw |
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Term
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Definition
| 3rd segment of crustacean leg; sammiched between propodus & merus |
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Term
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Definition
| 4th segment of crustacean leg; sammiched between propodus & ischium |
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Term
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Definition
| Aphids/leafhoppers/cicadas/planthoppers/shield bugs; "True bugs;" piercing, sucking mouthparts; proboscis; hemimetabolous |
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Definition
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Definition
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Term
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Definition
| Crustacean beaky nose projection |
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Definition
| the paired appendage that arises from the last segment of the body in lobsters and related crustaceans and forms part of the tail fan |
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Term
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Definition
| Last division in the body of an arthropod; not considered a true segment because it doesn't arise in the embryo in teleoblast areas like other segments; "tail" part sometimes forked |
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Term
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Definition
| Medial segment of biramous arthropod leg |
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Term
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Definition
| Lateral segment of biramous crustacean leg |
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Term
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Definition
| 5th segment of crustacean leg; sammiched between merus and basis |
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Term
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Definition
| Funcitonal base of crustacean leg; articulates with ischium |
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Term
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Definition
| Crustacean claw; lobsters have crushing and cutting ones |
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Definition
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Definition
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Definition
| Centipedes; venom; 1 pr legs/segment; dorsoventrally flattened; very fast walking w/ few legs on the ground at a time & legs move out of phase with each other |
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Term
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Definition
| Millipedes; 2 pr legs/segment; rounded body; slow moving w/ legs moving in phase & most of them on the ground at one time |
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Definition
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Term
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Definition
| Box crabs; hooked claw for prying open bivalves/gastropods |
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Definition
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Definition
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Definition
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Definition
| 5 pr. legs; crabs, lobsters, true shrimp, etc. |
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Definition
| Decapods, stomatopods, isopods, amphipods, tanaidacea, cumacea |
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Definition
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Term
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Definition
| Excretion/osmoregulation in some arthropods (orthoptera, arachnids); branching tubules extending from alimentary canal that absorb solutes, wastes, and water from hemolymph |
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Term
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Definition
| Gut of arthropods; one way, runs through entire body |
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Term
| Arthropod circulatory system |
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Definition
| Open; hemolymph enters heart through ostia |
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Term
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Definition
| Mesodermal tissue forms when cells immigrate between endoderm and ectoderm and then grows into a coelom. |
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Term
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Definition
| Coelom forms from pouches "pinched off" from the digestive tract; directly from endoderm |
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Term
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Definition
| Fairy shrimp, clam shrimp |
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Term
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Definition
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Term
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Definition
| Front pair of hardened wings in Coleopterans |
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Definition
| Euphausids (krill); C. Malacostraca; absence of maxillipeds; biramous pereopods |
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Term
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Definition
| Mysids/opossum shrimps; C. Malacostraca; well developed carapace covering most of thorax |
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Term
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Definition
| Daphnia; carapace never hinged (only folded dorsally, like a taco) & never covers entire body; reduced body segmentation |
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Term
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Definition
| Brine shrimp/fairy shrimp; thorax w/ 11 segments & appendages; abdomen w/ 8 segments + telson w/ caudal rami; lack a carapace; swim upside down |
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Term
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Definition
| Tadpole shrimp; thorax w/ 11 segments with appendages; abdomen of rings formed of more than one true segment; anterior ring has several pairs of appendages but posterior rings don't have any; superficial tadpole appearance |
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Term
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Definition
| Mantis shrimps; eyes, raptorial appendages, blerg |
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Term
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Definition
| Rolie polies; carapace absent; 1 pr. maxillipeds; dorsoventrally compressed; biramous pleopods |
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Term
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Definition
| Carapace present & covering/fused to first 3 thoracic appendages (modified as maxillipeds); large, bulbous anterior end & long, skinny posterior |
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Term
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Definition
| Carapace present & fused w/ first 2 thoracic segments; look like praying mantis |
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Term
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Definition
| Carapace absent; laterally compressed |
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Term
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Definition
| Walking crustacean leg; thoracic |
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