DIVERSITY OF ORGANISMS

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Across
  1. 1. - rigid rod that runs the length of the body in some animals
  2. 4. - any animal with a notochord
  3. 6. - any animal that has a backbone
  4. 9. - response of a plant to gravity
  5. 10. - trait of an organism that can be divided into two identical halves
  6. 13. - last embryonic cell layer to evolve
  7. 14. - response of a plant to light
  8. 16. - any trait that has evolved to help an organism survive and reproduce under certain conditions
  9. 17. - trait of an organism whose body is divided into multiple parts
  10. 20. column - another term for backbone
Down
  1. 2. - phylum in which all modern vertebrates are placed
  2. 3. - suspension of growth and development in a plant during periods of extreme coldness and dryness
  3. 4. - fluid-filled body cavity completely enclosed by mesoderm
  4. 5. - diploid cell that forms when a sperm and an egg fuse
  5. 7. - plant that grows on other plants rather than in soil
  6. 8. - any turning toward or away from a stimulus in the environment
  7. 11. - process in which two gametes fuse into one cell
  8. 12. - any animal that produces eggs with waterproof membranes
  9. 15. - plant that is adapted to very dry conditions
  10. 18. - domain in which the Animal Kingdom is placed
  11. 19. - distinct juvenile form that many animals go through before becoming an adult