ANIMALS

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Across
  1. 1. an animal with bilateral symmetry + 3 germ layers
  2. 3. many of these are molting animals
  3. 4. a body cavity lined by tissue derived from mesoderm
  4. 6. the middle germ layer in a triploblastic embryo
  5. 7. the innermost germ layer in animal embryos
  6. 9. period of rapid cell division without embryo growth
  7. 11. contains 2 germ layers
  8. 14. heterotrophic eukaryotes with tissues
Down
  1. 1. hollow ball of cells just post cleavage
  2. 2. develops into the digestive tract of an animal
  3. 5. a crown of ciliated tentacles that help to feed
  4. 8. has 3 germ layers; all bilaterians are this
  5. 10. the outermost germ layer in animal embryos
  6. 12. a sexually immature form in some animal life cycles
  7. 13. an early embryo with germ layers