Term
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Definition
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most basal group; no true tissue; specialized and coordinated cells; asymmetrical
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Term
| Poriferia Reproduction Asexual |
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Definition
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asexual via budding/extension regeneration(mitosis)
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Term
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Definition
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Blind gut and two layer germ appears
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Term
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Definition
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cells in tentacles that aid in pre capture and defense; have nematocyte stinging capsules
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Term
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Definition
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introduction of complete gut
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Term
| Ctenophore's way of movement |
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Definition
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Ctenes:move by beat rather then muscle contraction
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Term
| Cnidarian Characteristics |
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Definition
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diploblastic; radial symmetry;incomplete gut;true tissue;
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Term
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Definition
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unlike cnidarians(nematocysts), ctenophora have adhesive(sticky) discharge in tentacles, then tentacles bring in food to the mouth
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Term
| Porifera Reproduction Sexual |
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Definition
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Hermaphrodites; sperm release; no self fertilzation; eggs stored in mesohyl;flagellated larvae released;sessle adult
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Term
| Ctenophora Characteristic |
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Definition
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comb jellies;diploblastic;biradial;true tissue(nerve net);true gut
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Term
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Definition
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Sexual: sexual medusa-->gamets-->fertilzation--> medusa(no polyp stage)
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Term
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Definition
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addition of bilateral/triploblasticcomplex skeletons and active locomotives
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Term
| Protostome:solving gas exchange and dessication |
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Definition
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moist membrane exposed;live in moist soil;water tight exoskeleton/shell;control openings;move to moist places
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Term
| Animals: multuple water-to-land transitions |
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Definition
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easier because pre-existing: support(skeletons) and appendages
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Term
| Protostome:specialized mouthparts |
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Definition
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suspension;deposit;herbivory;predation;parasitize
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Term
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Definition
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Appendages: joint limbs and wings skeleton:hydrostatic and exoskeleton
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Term
| Protostome:Asexual reproduction |
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Definition
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framentation;parthenogensis
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Term
| Protostome: Sexual Reproduction |
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Definition
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External ferilization=sessile form Internal fertilization= mobility
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Term
| Protostome: Reproductive innovations |
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Definition
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Metamorphosis: allows dispersal and decrease competition Egg drying resistant: thicker membrane or CaCO3 shell
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Term
| Protostome:Lophotrochozoan |
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Definition
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triploblastic;bilateral;lophophore;trochophore larvae
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Term
| Protostome:Lophotrochozoan: most basil |
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Definition
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Platyhelminthes and rotifers:
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Term
| Protostome:Lophotrochozoan:Platyhelminthes |
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Definition
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Acoelomate and blind gut (evolutionary reversal);triploblastic
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Term
| Protostome:Lophotrochozoan:lophophorates |
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Definition
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Ectoprocta, brachiopoda, phoronida
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Term
| Protostome:Lophotrochozoan:spiralians |
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Definition
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Nemertea,annelida, mollusca
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Term
| Protostome:Lophotrochozoan:Spiralians |
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Definition
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spiral cleavage;active locomotie;segmented body
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Term
| Lophotrochozoan Spiralian: Annelida |
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Definition
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spiral cleavage;coelomate; round,elongated body with segment
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Term
| Classes based on bristles:Polychaeta |
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Definition
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many bristles; sand and chitinous tube worms; separate sexes;internal or external fertilzation;trochophore larvae
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Term
| Classes based on bristles:Oligochaeta |
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Definition
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earthworms;few bristles;hermaphrodites;oviparous
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Term
| Classes based on bristles:Hirudinea |
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Definition
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leeches;no bristles;hermaphrodites,oviparous;reduced coelom;ectoparasites
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