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22 terms

Biology Ch. 23 Arthropods

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Arthropda
"jointed feet"
chitin
exoskeletion
molting
shedding the exoskeleton
crustaceans
lobsters,crabs,crayfish,shrimp
cephalothorax
fused head and thorax
carapace
shield of chitin that protects the internal organs
antennae
used for sensory purposes
mandibles
JAW---------------LIKE APPENDAGES THAT CRUSH AND CHEW FOOD
maxillae
hold the food and pass it to the mouth
maxillipeds
for touch,taste,and handling the food
claws(chelipeds)
used for catching food and for defense
walking legs
used for movement
swimmerets
used for swimming and reproduction
telson
triangular shaped '' end '' of the crayfish
uropod
used for movement (backward swimming)
compound eyes
made up of a multiple lenses
1+1=
2
stomach
contain ''teeth'' to help crush the food
digestive gland
digests and absorbs the food
green gland
regulates the amount of salt and liguids in the blood
cope pods
smallest crustaceans
decapods
largest crustaceans