Across
- 2. Process of releasing energy from food (11)
- 3. Trait that helps an organism survive (10)
- 6. Breaks down dead material and returns nutrients (10)
- 8. Molecule made of amino acids (7)
- 11. Process of producing offspring (12)
- 12. Carries genetic information (3)
- 13. Thread-like structure of DNA in the nucleus (10)
- 14. Any living thing (8)
- 16. Eats other organisms for energy (8)
- 17. Community of organisms and their environment (9)
- 18. The smallest unit of life (4)
- 19. Single-celled organisms, some helpful, some harmful (8)
- 20. Tiny particle that can infect living cells (5)
Down
- 1. A segment of DNA that determines a trait (4)
- 4. Process by which plants make food (14)
- 5. Site of photosynthesis in plants (11)
- 7. Natural home of an organism (7)
- 9. Makes its own food, usually a plant (8)
- 10. Produces energy in a cell (12)
- 15. Control center of a cell (7)