Ch. 32 Vocab

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Anonymous
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271774
Filename:
Ch. 32 Vocab
Updated:
2014-04-24 14:26:44
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Biology
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Sparks
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  1. Multicellular heterotrophic organisms that lack cell walls
    Animals
  2. Animals with a backbone
    Vertebrates
  3. Animals without a backbone
    Invertebrates
  4. Hollow tube above the notochord
    Dorsal Nerve Cord
  5. Rigid outer covering that protects the soft tissues of mammals
    Exoskeleton
  6. Circulatory fluid is pumped by the heart through vessels & into the body cavity & then returned to the vessels
    Open Circulatory System
  7. Blood is pumped by heart & circulates through the body in vessels that form a closed loop
    Closed Circulatory System
  8. Cavity that serves both digestive & circulatory purposes in some Cnidarians
    Cardiovascular Cavity
  9. In Cnidarians, a stringing cell that is used to inject toxin into prey
    Nematocyst
  10. Organism that produces both male & female gametes
    Hermaphrodite
  11. Internal skeleton made of bone & cartilage
    Endoskeleton
  12. An animal that at some stage in its life cycle has a dorsal nerve, a notochord, & pharyngeal pouches
    Chordate
  13. Method of feeding in which an animal traps organic material that is floating in the surrounding water
    Filter Feeding
  14. Regrowth of missing tissues or organs
    Regeneration
  15. Organism that remains attached to a surface for its entire life & does not move
    Sessile

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