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12 terms

arthropoda

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arachnida
a large class of arthropods including spiders and ticks and scorpions and daddy longlegs
crustacea
class of mandibulate arthropods including: lobsters
diplopoda
arthropods having the body composed of numerous double somites each with two pairs of legs: millipedes
chilopoda
arthropods having the trunk composed of numerous somites each bearing one pair of legs: centipedes
Insecta
typical adults have one pair of antennae, three pairs of legs and three distinct body regions - many possess wings
Chelicerae
pair of mouthparts in chelicerates that contain fangs and are used to stab and paralyze prey
pedipalps
pair of mouthparts in chelicerates that are usually modified to grab prey
maxillipeds
enable crayfish to taste and hold food.
statocyst
equilibrium
tympanum
An organ of anthropods used to sense sound- ear like
uropod
the appendage on a crayfish that aids in swimming
tracheal system
A gas exchange system of branched, chitin-lined tubes that infiltrate the body and carry oxygen directly to cells in insects.