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19 Cards in this Set
- Front
- Back
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appendage
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in arthropods, a structure that extends from the body wall
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caste
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role played by an individual instect in a colony
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chephalothorax
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the body region of some arthropods that consisits of a head fused with a thorax
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chelicera
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paired mouthparts of arachnids and thier relatives that are modified into fangs or pincers
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chrysalis
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protective capsule enclosing the transforming larva of insects
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compound eye
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eye made of thousands of individual visual units
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krill
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samll marine custacean that ius the chief food source for many marine species
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malpighian tubule
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slender, finderlike organ of excretion that oepns into the gut of certain arthropods
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mandible
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chewing mouthpart found in many arthropods
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metamorphosis
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dramitc physical chnage through wihch and immature organism passes as it grows to adulthood
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molting
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a periodic shedding of an arthropods exoskeleton
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nauplius
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larval form of a crustacean
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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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pedipalp
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in arachnids, a second pair of appendages that are modified to catch and handle prey
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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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spinneret
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modified appendages in arthropods that secrete silk
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spiracle
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respiratory opening of certian arthropods that allows for the passage of air into the body
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throax
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mid- body region of arthropods
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`trachea
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tube that carried air from the larynx to the lungs
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