BIOLOGY

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Across
  1. 1. – A section of DNA that codes for a trait.
  2. 4. – The smallest unit of life.
  3. 5. – The “powerhouse” of the cell; makes energy.
  4. 7. – Movement of particles from high to low concentration.
  5. 13. – Any living thing.
  6. 14. – Diffusion of water across a membrane.
  7. 15. – Community of organisms and their environment.
  8. 17. – Molecule that carries genetic information.
  9. 19. – Plants make food using sunlight.
Down
  1. 2. – Change in species over time.
  2. 3. – Molecule that builds and repairs cells.
  3. 6. – Cells release energy from glucose.
  4. 8. – Keeping the body’s conditions stable.
  5. 9. – Thread-like structure of DNA in the nucleus.
  6. 10. – Variety of life in an area.
  7. 11. – A trait that helps survival.
  8. 12. – Controls the cell, stores DNA.
  9. 16. – Jelly-like fluid where reactions happen.
  10. 18. – Chemical messenger in the body.
  11. 20. – A protein that speeds up chemical reactions.