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19 Cards in this Set
- Front
- Back
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appendage
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om arthopods, a structure that extends from the body wall
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thorax
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mid-body region in arthopods
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cephalothorax
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the body region of some arthopods that consists of a head fused with a thorax
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compound eye
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eye made of thousands of individual visual units
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molting
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a periodic shedding of an arthropod's exoskeleton; also found in some reptiles
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trachea
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tube taht carries air from the larynx tp the lungs
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spiracle
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respiratory opening of certain arthropods that allows fo rthe passage of air into the body
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Malphighian tubule
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slender, fingerlike organ of excretion that opens into the gut of certain arthropods
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chelicera
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paired mouthparts of arachnids and their relatives that are modified into fangs or pincers
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pedipalp
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in arachnids, a second pair of appendages that are modified to catch cand handle prey
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spinneret
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modified appendages in arthopods that secrete silk
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mandible
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chewing mouthpart found in arthopods
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metamorphosis
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dramatic physical change through which an immature orgainsm passes as it grows to 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 a 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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