Across
- 2. The region draining into a river or other body of water.
- 5. The place in which an organism lives.
- 7. An abandoned commercial or industrial land that is or may be contaminated by a hazardous substance.
- 11. Role of a species in its community.
- 12. The part of Earth that contains & supports living things.
- 16. A careful preservation and protection of something.
- 17. Groups of populations that interact in an area.
- 18. Body of individuals with a common quality.
- 19. Species that is in danger of extinction.
Down
- 1. When organisms of different species live together but do not feed upon each other.
- 3. Area due to geography, weather patterns, and climate shares the same air.
- 4. A way to power vehicles that operated on electricity produced by a chemical reaction.
- 6. Species that are losing members at such a rate they will become endangered if not action is taken.
- 8. A vehicle that uses two different sources to produce energy (e.g. gas, electric)
- 9. A triatomic very reactive form of oxygen, pollutant in lower atmosphere but beneficial in upper atmosphere.
- 10. An areas' living community and non-living factors that affect it.
- 13. In terms of pollution, activities to reduce the creation or release of waste products that are created faster than can be broken down.
- 14. When all individuals of a species have died from Earth
- 15. In terms of source, when the sources of pollution cannot be traced to a single identifiable point.