Across
- 3. an organism that can make its own food
- 5. a linear seqence of organisms through which nutrients is passed
- 7. 3% of the Earth's water is
- 10. any factor that limits the number of organisms
- 11. all the water on, above and under the Earth
- 12. water that circulates between the Earth's oceans,atmoshere and land
Down
- 1. any non-living part of the enviroment
- 2. all the communities of organisms in an area interacting together
- 4. water found below the Earth's surface
- 6. the place where an organism lives
- 8. water found at Earth's surface
- 9. an organism that gets its energy from eating other organisms