Across
- 2. the community of interacting organisms and their physical environment
- 8. biological variety in an environment
- 9. Volkswagen exhaust _ scandal began in 2015
- 10. symbiosis is a mutual _ of two species
- 11. the destruction of forests
- 12. any kind of weather condition where something's falling from the sky
- 13. carnivores are at the top of the _
- 15. A glacier's gradual movement causes _
Down
- 1. the practice of, e.g., producing crops
- 3. a tragic event
- 4. illegal hunting
- 5. an animal under the threat of becoming extinct is _
- 6. more frequent wildfires are an effect of _ change
- 7. the process of becoming desert
- 10. Tens of thousands of elephants are being killed every year for their _ tusks
- 14. a period of dryness