Across
- 1. effect or influence
- 6. destruction by sun, wind or water
- 8. the state of being underfed
- 9. extremely important
- 10. the weather condition over a long period
- 11. reduce in number
- 14. a group of similar living organisms
Down
- 1. about to happen
- 2. going to sleep over the winter
- 3. the natural home of a living organism
- 4. the development of towns and cities
- 5. seriously at risk of extinction
- 7. quick, fast
- 12. extremely serious, terrible
- 13. having no living members left of a species