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Bio 106 Class Arachnida structure/function
Bio 106 Class Arachnida structure/function
5
Zoology
Undergraduate 2
11/05/2017
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Term
Subphylum
Class
 Definition
Chelicerata
Arachnida (Spiders, scorpions, ticks, mites, tarantulas)
Term
Arachnida Outside Body Structure
 Definition
Lack antennae and mandibles
First pair of appendages are chelicerae
Second pair of appendages are pedipalps
Four pairs of walking legs
No abdominal appendages or telson
Primarily terrestrial
Term
Feeding
 Definition
Carnivorous (exception of mites)
Liquified food
Digests externally by injecting powerful enzymes into prey w/ fangs
Term
Fangs
 Definition
Modified chelicerae
Term
Respiration
 Definition
Book lungs
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