Classification

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Across
  1. 2. Leeches and earthworms are examples of this
  2. 4. Animals with a backbone
  3. 5. Organisms with tiny pores through which water enters
  4. 8. Jellyfish are examples of these
  5. 10. Echinoderms have _______-way radial symmetry
  6. 11. Animals without a backbone
  7. 13. Molluscs have soft bodies protected by ____ shells
  8. 15. Seed plants are classified as _____ or non-_______
  9. 17. Sea __________ is an example of a Cnidarian
  10. 19. Plants can be classified as ______ or non-_______
Down
  1. 1. The act of sorting organisms into groups
  2. 3. A group of organisms that can reproduce to make fertile offspring
  3. 6. Tapeworms are an example of this group
  4. 7. Echinoderms have organs but no _______
  5. 9. Vascular plants are classified as _____ or ____-less
  6. 12. Pinworms and hookworms an example of these
  7. 14. Cnidarians have ________/threads to string their prey
  8. 16. Organisms are named after their ______ and species
  9. 18. Starfish and sea urchins are examples of these