Across
- 3. Birds, fish, turtles and other animals may mistake a piece of this for food, blocking their digestive system. It is found on water.
- 4. Kill producers.
- 6. Kill insects.
- 7. Killing specific animals. Some tribes and people living in isolated areas depend on it.
- 10. Increases the acidity of the soil and damages leaves.
- 11. Can affect the land, air or water.
- 13. Disrupts the balance of the ecosystem by ___________ a new _______.
- 15. The natural home or environment of an animal, plant, or other organism.
Down
- 1. A biological community of interacting organisms and their physical environment.
- 2. Removing one species from a habitat, or decreasing its numbers
- 5. A chemical or natural substance added to soil or land to increase its fertility. causes eutrophication.
- 8. Contains mineral ions such as nitrate and phosphate which cause eutrophication.
- 9. The native fauna (and sometimes flora) of a region.
- 12. A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
- 14. A long-term change in the average weather patterns which affects local conditions.