Biology terms crossword

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Across
  1. 2. internal stability
  2. 4. the primary energy currency of the cell
  3. 7. organisms that break down dead material
  4. 10. a threadlike structure of DNA that carries genes, found in the nucleus
  5. 11. a large ecological area, such as a forest or desert, containing distinct flora and fauna
  6. 12. gradual change in living things over time
  7. 14. the molecule that carries genetic information
  8. 16. simple single-celled organisms, some of which are harmful, while others are beneficial
  9. 17. an organism that eats other organisms for energy
  10. 20. the variety of all living organisms in a habitat or on Earth
  11. 21. units of life
Down
  1. 1. a segment of DNA containing instructions for a specific trait
  2. 3. specialized structure within a cell
  3. 5. an organism that makes its own food
  4. 6. a tiny particle that causes disease and needs a host cell to reproduce
  5. 8. The process by which green plants use chlorophyll to capture light energy and convert it into chemical energy
  6. 9. the study of life
  7. 13. any individual living organisms
  8. 15. inheritance
  9. 18. a phase of the cell cycle where nuclear chromosomes separate, resulting in two identical cells
  10. 19. a feature that helps an organism survive in its environment