biology bonus

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Across
  1. 2. What kind of cells does mitosis produces?
  2. 5. What contains a nucleus and membrane-bound structures?
  3. 8. What is the microscopic opening in the leaves of plants that allows for gas exchange and water loss?
  4. 14. what increases genetic variance when natural selection selects for tow more extreme phenotypes when each have specific advantages?
  5. 15. What are the cells that can become more than one type of cell?
  6. 17. What is it called when you group thing into levels based upon similarities?
  7. 18. What happens during the G1 phase of the cell cycle?
  8. 19. What is a disorder in which body cells lose the ability to control cell division?
  9. 20. What occurs at the same time as telophase?
Down
  1. 1. DNA makes up genes which make up...
  2. 3. What makes up the sides of the DNA molecules?
  3. 4. When both alleles are expressed but neither one is dominant over the other?
  4. 5. When all organisms have died?
  5. 6. What are the preserved remains or impression of an organism?
  6. 7. What controls all function of cells
  7. 9. What is the resulting cell called after fertilization?
  8. 10. The delivery of characteristics from parent to offspring?
  9. 11. All living things are made of...
  10. 12. What type of mutation allow one or more bases to be inserted into a DNA sequence?
  11. 13. The way an organism looks or the trait the organism possesses?
  12. 16. When cancer cells spread to new parts of the body?