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6 Cards in this Set
- Front
- Back
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What are the 7 stages of molting?
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1)Apolysis-cuticle loosen from epidermis forming exuvial space
2)Release of molting fluid (inactive) chitinase/proteinase. 3)Cuticulan layer produced 4)Molting fluids activated (endocuticle and some exo disolve) 5)Secretion of procuticle (albino-like) 6)Ecdysis-escape and expand new cuticle 7)Scleritization+wax,cement layers |
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What is an ecdysial suture?
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A line of weakness between adjacent sclerites that breaks during molting
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How is an ecdysial suture formed?
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Gulping air, or hydrostatic pressure of blood
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What is metamorphisis?
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Change in form
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What are the two processes of metamorphisis?
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1)Histolysis- The breakdown and disintegration of organic tissue. (Also called histodialysis)
2)Histogenesis-The formation and development of bodily tissues |
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What is are 2 charecteristics of SIMPLE ametabolism? Give an example
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a)wingless insects-w/o metamorphosis
b)subtle changes..adults have functional genetalia c)Thysanura, Collembola |
