Science 9 Weeks Review

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Across
  1. 2. the jellylike fluid in the cell
  2. 4. occurs when two or more individuals or populations try to use the same resource
  3. 7. eat both plants and animals
  4. 10. an organism that is hunted
  5. 12. are the basic unit of life.
  6. 13. a change that takes place when an organism or species becomes better suited for its environment
  7. 14. a relationship where one organisms benefits and the other is unaffected
  8. 15. directs the cells activities
  9. 17. stores nutrients, water and waste in the cell
  10. 18. the study of the relationship between living things
  11. 19. a relationship where one organisms benefits and the other is harmed
  12. 20. eats only plants
  13. 23. the powerhouse of the cell
Down
  1. 1. a relationship where both organisms benefit
  2. 3. an organism that hunts and eats other organisms
  3. 4. carries out photosynthesis in plant cells
  4. 5. two or more tissues working together
  5. 6. Are groups of cells that work together
  6. 8. living thing performing life processes
  7. 9. made up of one or more cells
  8. 11. made up of only one cell
  9. 13. nonliving factors in the environment
  10. 16. an organism that breaks down dead organisms
  11. 21. living factors in the environment
  12. 22. eats only meat