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22 Cards in this Set
- Front
- Back
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Appendage
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In arthropods, a structure that extends from a body wall
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Thorax
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mid-body- region
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Cephalothorax
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the body region in arthropods that consistes of a head and thorax fused together
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Compound Eye
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eye made of thousands of individual units
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Molting
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a periodic shedding of arthropods exoskeleton; also found in some reptiles
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Trachea
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in certain arthropods fine tubes that extend into the interior of the body used for gas exchange
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Spiracle
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respitory opening of certain arthropods that allows for the passage of air into the body
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Malpighian Tubule
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slendor; finger like organ of excretion that opens into the gut of certain arthropods
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Chelicera
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paired mouthpparts of arachnids and their relatives that are modified into fangs or pinchers
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Pedipalp
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a second pair of appendages that are modified to catch and handle prey
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Spinneret
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modified appendages in arthropods that secrete solk
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Mandible
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chewing mouthparts found in many arthropods
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Metamorphosis
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dramatical physical change through which an immature organism passes as it grows 2 adulthood
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Chrysalis
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protective capsule enclosing the transforming larva in insects
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Pupa
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stage of complete metamorphosis in which an insect changes from larva to adult
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Nymph
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juvenile stage of some insects that is smaller version of the adult
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Caste
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role played by an individual insect in a colony
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Nauplius
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larval form of a crustacean
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Krill
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small marine crustacean that is the chief food source for many marine species
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Carapace
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dorsal part of a turtles shell; shieldlike plate covering the cephalothorax
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Decapods
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Legs modified into pinchers
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Chelipeds
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large marine crustaceans
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