Biology Tidbits

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Across
  1. 1. Used to determine PH level
  2. 3. A cell that has a specific job
  3. 5. Used to see small objects
  4. 6. The study of the nature and behavior of natural things
  5. 7. Having a ph greater than 7
  6. 10. Animals that have backbones
  7. 12. The protoplasm of a cell outside the cell nucleus
  8. 14. A system which small animals are food for larger ones
  9. 15. The specialized cells within a living organism
  10. 16. Microscopic one-celled living organism
  11. 17. A change or difference in condition
  12. 18. Lowest part of the curve in liquid
Down
  1. 2. The grouping of different organisms in categories
  2. 4. Chemicals that destroy equipment and living flesh
  3. 8. Chemical reaction when you mix an acid and alkali
  4. 9. The smallest unit of life
  5. 11. Changes in the body to fit a location
  6. 13. A group of closely related organisms that are similar
  7. 15. An individual animal, plant or single-celled life form