Animals and Behavior

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Across
  1. 3. a time where a animal sleeps to escape
  2. 4. an organism with multiple cells
  3. 5. a chemical that animals use to communicate
  4. 9. a rhythm controlled by a biological clock
  5. 16. an organism with a nucleus
  6. 17. a collection of similar cells
  7. 18. the interaction among animals
  8. 20. when part of an organism breaks off
  9. 22. a behavior inherited through genes
  10. 26. when a fertilized egg divides into many
Down
  1. 1. an animal's natural cycle
  2. 2. an animal without a backbone
  3. 6. to travel from one place to another
  4. 7. fixed object a animal uses to find its way
  5. 8. summer hibernation
  6. 10. an area that is occupied by a animal
  7. 11. behaivior that has been learned
  8. 12. a organism that eats others
  9. 13. visual communication
  10. 14. special behaiviors that help animals find a mate
  11. 15. the purpose why animals do things
  12. 19. an animal with a backbone
  13. 21. a signal from one animal to another
  14. 23. an organism at an early stage
  15. 24. a group of tissues
  16. 25. groups lions live in