Biology

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Across
  1. 3. It is one of the four bases in the nucleic acid of DNA
  2. 5. The organism that was formed by crossing genetically different forms
  3. 7. A cover "layer" of virus
  4. 8. A set of external characteristics of the organism
  5. 9. The one type of of cell division
  6. 10. Water evaporartion by leaves
  7. 13. The cohabitation of the two organisms
  8. 16. It is the name of cell that transmits information with help of electrical signals
Down
  1. 1. The group of molecules that includes "fat"
  2. 2. A sharp change in characteristics and properties of the organism
  3. 4. The third phase of mitosis
  4. 6. The small living organisms which need a true nucleus
  5. 7. A green plastids that contain chlorophyll
  6. 11. The structural unit of the kidney
  7. 12. Depending on free oxygen(air)
  8. 14. This science learn some information about plants
  9. 15. Someone who "gives" a tissue or organs for transplantation