Period 4 review for final

12345678910111213141516171819202122232425
Across
  1. 3. a nucleic acid that consists of a long chain of nucleotides
  2. 6. -organisms that only eat plants
  3. 7. system-series of organs responsible for taking in oxygen and expelling carbon dioxide (2words)
  4. 9. removes waste from the body
  5. 11. the ability of an organism to survive and reproduce in a certain environment
  6. 13. genetic information in organisms
  7. 14. that get their food from other organisms
  8. 16. a heredity passed from parent to offspring
  9. 18. subatomic particle with a neutral charge
  10. 19. history of life on Earth
  11. 21. - organisms that produce their own food
  12. 22. cell division using two daughter cells
  13. 23. stable subatomic particle with a positive charge
  14. 25. selection-organisms best adapted to an environment and reproduce more than others (2words)
Down
  1. 1. system- organ system that transports blood and nutrients (2words)
  2. 2. an organism with a backbone
  3. 4. that eat meat and plants
  4. 5. that only eat meat
  5. 8. of the four protein synthesis only found in DNA
  6. 10. light dependent reactions uses energy from sunlight to produce oxygen
  7. 12. stable subatomic particle with a negative charge
  8. 15. two or more species reproducing at separate times
  9. 17. selection-nature provides the variations, humans provide selection (2words)
  10. 20. the study of organisms in their habitat
  11. 24. things passed down from your family members