Science

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Across
  1. 2. the genetic makeup of an organism.
  2. 4. a change in the DNA sequence of an organism.
  3. 6. the type of cell division that produces gametes.
  4. 9. the diffusion of water across a selectively permeable membrane.
  5. 10. organisms that obtain energy by consuming other organisms.
  6. 11. the site of protein synthesis in a cell.
  7. 13. proteins that speed up chemical reactions in the body.
  8. 14. organisms that produce their own food.
  9. 17. the organelles in plant cells where photosynthesis occurs.
  10. 18. the physical expression of genetic traits.
  11. 19. the molecule that carries genetic information.
  12. 20. a community of living organisms and their physical environment.
Down
  1. 1. the variety of life in the world or in a particular habitat.
  2. 3. the process plants use to convert sunlight into energy.
  3. 5. different forms of a gene.
  4. 7. the maintenance of a stable internal environment in an organism.
  5. 8. membrane, the structure that controls what enters and leaves the cell.
  6. 12. the process by which species change over time.
  7. 15. the powerhouse of the cell.
  8. 16. the organelle that contains the cell's genetic material.