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20 Cards in this Set
- Front
- Back
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Chelicerate
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a subphylum of arthropods that include, arachnids, sea spider, or horseshoe crab
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chelicera
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either of a pair of appendages in front of the mouth in arachnids, modified as pincer-like claws
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Hexapods
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a six-legged arthropod
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cephalothorax
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the fused head and thorax of spiders and other chelicerate arthropods
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abdomen
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the posterior part of the body of an arthropod, especially the segments of an insect's body behind the thorax
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thorax
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the part of the body between the head and the abdomen
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compound eyes
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an eye consisting of an array of numerous small visual units
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Arachnids
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an arthropod, such as a spider or scorpion
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hemocoel
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the primary body cavity of most invertebrates, containing circulatory fluid
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metamorphosis
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the process of transformation from an immature form to an adult form in two or more distinct stages
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exoskeleton
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rigid external covering for the body, providing both support and protection
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carapace
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the hard upper shell of a turtle, crustacean, or arachnid
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book lungs
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in a spider or other arachnid, a pair of respiratory organs that arefine leaves that situated in the abdomen and have openings on the underside
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synchronous (direct) flight
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flight muscles act on wing bases
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asynchronous (indirect) flight
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flight muscles act on body wall |
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labrum
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upper lip-like structure, sensory, and not derived from paired appendages
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mandibles
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chewing mouthparts in insects
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labium
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sensory lower lip
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tracheae
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highly branched systems of chitin-lined tubes
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ganglion
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sense organs in insects
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