Across
- 4. An assemblage of different populations that live together in a defined area.
- 5. A group of similar organisms that can breed and produce fertile offspring.
- 6. Consist of all the Earth's water.
- 9. Any non-living part of the environment.
- 10. A group of individuals that belong to the same species and live in the same area.
- 11. This includes everywhere life exists.
Down
- 1. All the organisms that live in a place, together with their physical environment.
- 2. Any living part of the environment.
- 3. All of the solid parts of the Earth.
- 7. The study of the interactions among organisms and the environment.
- 8. All the gases that surround the earth.