Vocab for Animal Unit

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Across
  1. 1. (clocks) control cycles of internal change
  2. 4. signals travel to and from between animals
  3. 7. groups lions live in
  4. 9. animal that gets eaten by another animal
  5. 11. behavior/ interaction between same species
  6. 13. animals without a backbone
  7. 14. summer reduced activity some animals do
  8. 16. fixed object an animal uses to find its way
  9. 18. a collection of similar cells in the body
  10. 19. A cell with a nucleus
  11. 20. a behavior from experience or observation
  12. 22. chemicals animals produce for communication
  13. 23. (language) used to send visual message
Down
  1. 2. tissues carry out special function of body
  2. 3. travel from place to place in a response
  3. 5. made up of many cells
  4. 6. animals with a backbone
  5. 8. (rhythm) a biological daily cycle
  6. 10. winter inactivity some animals experience
  7. 12. animal that eats another animal
  8. 15. behavior influenced by genes
  9. 17. area occupied by animal(s) & excludes
  10. 21. an organism in early stage development