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30 Cards in this Set
- Front
- Back
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aids in taking in food
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mouth parts
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an antenna-like appendage with receptors for touch,taste, and equilibrium
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antenna
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an appendage specialized for touch and taste
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antennule
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anterior end of cephalothorax
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head
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anterior flipper that propels it through the water
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telson
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claw used to capture food and to provide defense
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cheliped
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consists of a head and thorax
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cephalothorax
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enable the crayfish to walk slowly
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walking legs
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eye with many lenses
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compound eye
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flat triangular section at the tail, used in swimming
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uropod
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one of the two sections of the body of a crayfish
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abdomen
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organs that create water currents and functions in reproduction
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swimmerets
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outer covering of the crayfish
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carapace
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part of the carapace that projects forward between the eyes
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rostrum
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posterior end of cephalothorax
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thorax
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where the head and thorax have fused
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cervical groove
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absorb mixture from the stomach
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digestive gland
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organs specialized for the exchange of gases with water
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gills
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anterior end of the central nervous system
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brain
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bundle of nerve cells
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ganglia
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ovary
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egg reproducing organ
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anus
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external opening; end of digestive system
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has chitinous teeth which grind food into a paste
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stomach
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large artery; dorsal
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aorta
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opening to the digestive system
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mouth
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passageway for eggs
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oviduct
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pumps blood
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heart
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removes chemical wastes from the blood
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green gland
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tube between mouth and stomach
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esophagus
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tube which carries waste
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intestine
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