Bio 33.4

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Author:
xshadi13x
ID:
48769
Filename:
Bio 33.4
Updated:
2010-11-10 15:08:29
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bio
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Description:
section 33.4
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  1. Tough external coat an animal sheds
    Cuticle
  2. Process in which animal sheds outter coat
    Molting
  3. are nematodes segmented or non segmented
    nonsegmented
  4. nematodes lack , but have a .
    circulatory system, alimentary canal
  5. how are fluids transported through a body of a nematod
    pseudocoelom
  6. reisistant cells that can survive harsh conditions
    zygotes
  7. studies on C. elegans reveal what type of research
    ageing of humans
  8. T. spiralis causes what
    Trichinosis
  9. T spiralis affects what type of cells
    muscle
  10. The diversity and sucess of arthropods are realated to what
    their body plan - segmented bodies, hard exoskeleton, jointed appendenges
  11. Did the arthropod body plan result from new hox genes?
    No, the increased body plan diversity and segmantaion did NOT originate from new Hox genes
  12. What invertabretes were used in the experiment
    Onychophorans
  13. evolution in body plan diversity arose from changes in the sequence or regulation of existing body Hox genes
    yep
  14. what is the exoskeleton made of
    protiens, and polysacchride chitin
  15. Arthropods have what type of ciruculatory system
    Open
  16. What is the fluid that is inside arthropods
    Hemolymph
  17. clawlike feeding appendenges spiders have are called
    Chelicerae
  18. appendenges that function in sensing, feeding, and reproduction
    pedipalps
  19. Gas exhange in spiders are carried out by
    book lungs
  20. metabolic wastes are removed from the heolymph by excretory organs called
    malphighian tubules
  21. gas exhange in insects are conducted in
    Tracheal Tubes
  22. incomplete metamorphasis
    looks like an adult
  23. complete metamorphasis
    has the larve stages
  24. what is one key to great success in insects
    flight
  25. internal stucture where sperm is stored in a female is called
    spermatheca

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