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16 Cards in this Set
- Front
- Back
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Phylum Arthropods
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Are segmented coelomates that have an exoskeleton and jointed appendages.
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Open Circulatory System
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Hemolymph is circulated into the spaces surrounding the tissues and organs.
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Exoskeleton
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A cuticle made of chitin.
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Ecdysis
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Molting of an exoskeleton.
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Subphyla Cheliceriforms
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Spiders, ticks, mites, scorpions, and horseshoe crabs that have chelicerae.
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Chelicerae
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Clawlike feeding appendages found on cheliceriforms.
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Arachnids
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Spiders, scorpions, ticks, and mites.
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Cephalothorax
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The anterior part of the arachnid with four pairs of walking legs.
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Subphylum Myriapoda
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Millipedes and centipedes.
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Class Diplopoda
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Millipedes, where each trunk segment has two pairs of legs.
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Class Chilopoda
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Centipedes, Where each trunk segment has one pair of legs.
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Subphylum Hexapoda
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Insects with 6 walking legs.
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Subphylum Crustacea
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Crustaceans that have forked, branched, appendages that are extensively specialized for feeding and locomotion.
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Decapods
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Relatively large crustaceans that include lobsters, crabs, crayfish, and shrimp.
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Planktonic Crustaceans
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Species of copepods like krill.
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Barnacles
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Sessile crustaceans whose cuticle is hardened into a shell.
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