Biology

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Across
  1. 2. – Organelle where proteins are synthesized.
  2. 3. Process by which plants convert sunlight into chemical energy.
  3. 5. Process by which species change over time.
  4. 9. – Protein that speeds up chemical reactions.
  5. 12. – Site of photosynthesis in plant cells.
  6. 13. – Molecule that stores energy for cellular processes.
  7. 15. – Movement of water across a semipermeable membrane.
  8. 17. – Preserved remains or traces of ancient organisms.
  9. 18. Unit of heredity found in DNA.
  10. 19. Protein produced by the immune system to fight pathogens.
  11. 20. Natural environment of an organism.
Down
  1. 1. – Organelle that contains the cell’s genetic material.
  2. 4. Maintenance of a stable internal environment.
  3. 6. Nerve cell that transmits signals.
  4. 7. – The basic structural and functional unit of life.
  5. 8. – The powerhouse of the cell.
  6. 10. – Molecule that carries genetic information.
  7. 11. – A community of organisms interacting with their environment.
  8. 14. – Macromolecule made of amino acids.
  9. 16. Change in the DNA sequence.