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18 Cards in this Set
- Front
- Back
in arthropods, a structure that extends from the body wall
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appendage
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mid-body region in arthropods
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thorax
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the body region of some arthropods that consists of a head fused with a thorax
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cephalothorax
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eye made of thousands of individual visual units
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compound eye
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a periodic shedding of an arthropods exoskeleton; also found in some reptiles
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molting
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tube that carries air from the larynx to the lungs
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trachea
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respiratory opening of certain arthropods that allows for the passage of air into the body
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spiracle
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slender, fingerlike organ of excretion that opens into the gut of certain arthropods
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Malpighian tubule
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paired mouthparts of arachnids and their relatives that are modified into fangs or fingers
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chelicera
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in arachnids, a second pair of appendages that are modified to catch and handle prey
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pedipalps
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modified appendage in arthropods that secretes silk
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swimmerets
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chewing mouthpart found in many arthropods
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mandible
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dramatic physical change through which an immature organism passes as it grows into adulthood
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metamorphosis
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protective capsule enclosing in the transforming larva in insects
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chrysalis
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stage of complete metamorphosis in which an insect changes form larva to adult
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pupa
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juvenile stage of some insects that is a smaller version of the adult
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nymph
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role played by an individual insect in a colony
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caste
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larval form of a crustacean
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nauplius
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