invertebrates test 2

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Author:
acoonfield11
ID:
273554
Filename:
invertebrates test 2
Updated:
2014-05-07 00:04:47
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invertebrate
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other test stuff
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  1. what is on the anterior/head
    sensory organs
  2. has one hole and includes invertebrates
    protosome
  3. 1st opening: anus
    2nd opening: mouth
    includes vertebrates and echinoderms
    deutrosome
  4. chordates have:
    • 1. Notochord (backbone)
    • 2. Dorsal nerve chord (spine & brain)
    • 3. Pharyngeal pouches
  5. digestive tract, urinary, reproductive, & resp. systems- inner
    endoderm
  6. Muscles, circ. system- middle
    Mesoderm
  7. sense organs, nerves, outer layers of skin
    ectoderm
  8. flatworms, no body cavity
    Acoelornates
  9. round worms: body cavity w/ no mesoderm
    pseudocoelom
  10. body cavity lined w/ mesoderm
    Coelom
  11. what is a sponge?
    assymetrical, sessile, aquatic, no true tissues
  12. Sponge reproduction
    budding
  13. Sponge: 
    collar cell function
    catch and digest food, filter feeds
  14. Sponge: osculum
    excurrent pore (H2O OUT)
  15. Sponge: ostium
    incurrent pore (H2O IN)
  16. sponge: spicule function
    support
  17. sponge: amebocyte function
    transport materials
  18. What is a Cnidaria?
    aquatic, radial symmetry
  19. Cnidaria: nervous sys.
    nerve net
  20. Cnidaria have a stinging cell called...
    nematocysts
  21. includes hydra and portugese man of war
    hydrozoa
  22. true jellyfish/ medusa
    scyphozoa
  23. includes sea anemones, coral, and sea fan
    anthozoa
  24. phylum of mollusks
    molluska
  25. what is a mollusk?
    bilateral, coelom
  26. secretes shell
    mantle
  27. mollusk body plan
    foot, mantle,, shell, visceral mass (organs)
  28. Mollusk feeding:
    radula (tongue shaped structure)
  29. Mollusks: how h2o enters and leaves cells
    siphon
  30. mollusk movement
    slime/ h2o propulsion
  31. mollusk reproduction
    external sexual
  32. shell -less/ single shelled
    ex.) snail or slug
    gastropod
  33. 2 shells
    ex.) clam or oyster
    bi-valves
  34. internal/ no shell
    ex.) octopus or squid
    cephalopods
  35. stores food
    crop
  36. how many pairs of aortic arches does an earthworm have?
    5
  37. earthworm reproduction
    hermaphrodites
  38. Earthworms are a
    pseudocelumate
  39. earthworm circ. system
    closed
  40. Flatworms have this to get rid of excess water
    flame cell
  41. head w/ hooks and suckers in tapeworm cestoda
    scolex
  42. where reproduction in done in tapeworm cestoda
    proglottis
  43. digestion for tapeworm cestoda
    absorbs food from host
  44. disease from eating undercooked meat (pork)
    Trichinella
  45. Filiarial worms
    elephantitis
  46. eating unwashed food
    ascaris
  47. burrow through bottom of foot
    hookworms
  48. ingest contaminated soil
    pinworms
  49. class echinoidea
    sea urchines and sand $'s
  50. Class ophiuroidea
    brittle stars
  51. Class holcthuroidea
    sea cucumber
  52. class asteroidea
    sea stars
  53. class crinoidea
    sea lillies and feather stars
  54. Arthropod respiration
    • aquatic: gills
    • terrestrial: spiracles
  55. Arthropod Excretion:
    • aquatic: green glands
    • terrestrial: malpighan tubules

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