Animals and Science !

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Across
  1. 8. cells undergo
  2. 10. made of many cells
  3. 14. organism at an early stage of development
  4. 15. sending a visual message
  5. 16. control of an animals natural cycle
  6. 18. eat other animals
  7. 19. period of inactivity
  8. 20. a group of tissues
  9. 21. area occupied by an animal or animals
  10. 22. interaction of animals of same species
  11. 24. behavior inherited through genes
  12. 25. search for food
  13. 26. organism that eats other organisms
Down
  1. 1. reduced activity in summer
  2. 2. collections of similar cells
  3. 3. to travel from one place to another
  4. 4. has backbone
  5. 5. lions live in groups
  6. 6. signal traveled from a animal to another
  7. 7. being eaten
  8. 9. no backbone
  9. 11. behavior learned from experience
  10. 12. they have a nucleus
  11. 13. special behaviors that help find a mate
  12. 16. breaks off and develop into new organism
  13. 17. rhythm keep track of daily cycle
  14. 18. chemicals that animals use to communicate
  15. 23. fixed objects that are used to find ways