Intro to Animals

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The flashcards below were created by user extollo5 on FreezingBlue Flashcards.


  1. Four features of an animals body plan
    • number of embryonic tissue layers
    • type of body symmetry and degree of cephalization
    • type of body cavity (if any)
    • embryo development (dueterostomate, protostomate, etc.)
  2. diploblast
    • 2 tissues
    • ectoderm
    • endoderm
  3. triploblast
    • 3 tissues
    • ectoderm
    • mesoderm
    • endoderm
  4. ectoderm
    outer tissue layer
  5. endoderm
    inner tissue layer
  6. mesoderm
    middle tissue layer
  7. 3 types of symmetry
    • Asymmetry - no symmetry
    • Radial Symmetry - multiple planes of symmetry
    • Bilateral Symmetry - one plane of symmetry
  8. bilateral animals also have __________.
    heads
  9. Acoelom
    no body cavity
  10. Coelom
    "true" body cavity with mesoderm lining both inner and outer layers
  11. Psuedocoelom
    body cavity with mesoderm on outer layer only

Card Set Information

Author:
 extollo5
ID:
 34760
Filename:
 Intro to Animals
Updated:
2010-09-14 23:31:25
Tags:
animals
Folders:

Description:
chapter 32 vocab and key concepts
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