Across
- 3. the variety of plants and animals living in an area
- 6. to stay alive or continue through a difficult situation
- 9. lively, energetic and full of spirit
- 11. the story of a person's life written by that person
- 12. all the parts of Earth where living things can exist
- 13. the study of living things
Down
- 1. the study of tiny living things such as bacteria
- 2. extremely important or necessary
- 4. energy, strength and enthusiasm for life
- 5. to bring something back to life, energy or activity
- 7. a substance found in food that helps keep your body healthy
- 8. a medical test where a small piece of tissue is removed and examined
- 10. bright, clear and full of detail