Across
- 3. both species benefit
- 6. Also called tropical grasslands
- 8. one species benefits, the other is harmed
- 9. usually get less than 25 cm of precipitation annually.
- 10. Basically a cold desert
Down
- 1. one species benefits, the other is unaffected
- 2. are large communities covered with rich soil, grasses, and similar plants
- 4. Also called Chaparral
- 5. degrees north and south of the equator
- 7. also is called the boreal or coniferous forest