Term
| Arthropoda Characteristics |
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Definition
| Jointed appendages, Bodies are segmented (although some fuse in development), Rigid external skeleton, Coelomates, Open circulator system, Organ systems are all well developed. |
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Term
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Definition
| Chelicerae- feeding structures, and Pedipalps- 2nd pair of appendages,cephalthorax consiting of a fused head, have an abdomen. example: spiders |
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Term
Subphylum Crustacea
Characteristics |
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Definition
| Biramous (doubled- branched appendages), 2 pair of antennae, compound eyes with multi lenses. example: crustaceans |
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Term
Subphylum Uniramia
Characteristics |
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Definition
| Uniramous (single branched appendages) example: insects |
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Term
Class Merostomata
Representative: Horseshoe Crab |
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Definition
| Carapace- covers the cephalothorax and flexible joint, Book gills, Chilaria- degenerated pair of legs |
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Term
Class Arachinida
Representative: Spiders, Scorpions |
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Definition
| Four pairs of walking legs, Pedipalps- to feel envir. and manipulate prey, Chelicerae- modified for fangs |
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Term
Class Chilopoda
Representative: Centipedes |
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Definition
| Each body segment has pair of legs, Maxillipeds- appendages modified for feeding |
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Term
Class Diplopoda
Representative: millipedes |
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Definition
| 2 pairs on each segment, slower than centipede and feeds on decaying plants |
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Term
Class Insecta
Representatives: Butterflies, Grasshoppers |
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Definition
| Six thoratic legs, 3 seperate body regions, Trachae- tubes that conduct air througout body |
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Term
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Definition
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Term
Class Crustacea
Representatives: Lobster (crustaceans) |
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Definition
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