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17 Cards in this Set
- Front
- Back
chelicerae horseshoe crab
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used to hold and break up food
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pedipalps in horseshoe crab
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useful for manipulating food
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covering of the horseshoe crab
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carapace (tough and leathery)
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what class is the horseshoe crab?
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Class Merostomata
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why isn't the horseshoe crab a crustacean?
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b/c it doesn't have antennae
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merostomata segmentation
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cephalothorax, abdomen, long telson (tail spine)
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what class are the spiders and scorpions a part of ?
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Class Arachnida
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chelicerae in spiders
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first pair of appendages, in some spiders these contain poison fangs
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pedipalps in arachnida
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second pair of appendages, used in feeding and courtship (Small in spiders, large in scorpion)
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what class are centipedes are part of?
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Class Chilopoda
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what kind of mandibles to Centipedes have?
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jaw-like mandibles
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how do centipedes obtain nutrients?
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terrestrial predators (poison fangs to feed on worms and insects)
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how do millipedes obtain nutrients?
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herbivorous (and non poisonous)
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what class are crustaceans a part of ?
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Class Crustacea
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what direction does a crayfish swim and with what does it use to swim?
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backwards with it's swimmerets
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What is the largest class of Arthropoda
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Class Insecta
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how many walking legs to class insecta animals have?
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6
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