Across
- 3. The angular distance of a place east or west of the Earth's equator
- 5. The natural home or environment of a living organism
- 7. Relating to or resulting from organisms
- 9. The state of the atmosphere at a particular place and time
- 10. Not derived from living organisms
- 12. The angular distance of a place north or south of the equator
- 13. A biological community of interacting organisms and their physical environment
- 14. All the waters of the Earth's surface, for example lakes and rivers
Down
- 1. The animal life present in a particular region or time
- 2. The plants of a particular region, habitat or geological period
- 4. The Earth's surface occupied by living organisms
- 6. A large naturally occurring community of flora and fauna occupying a major habitat
- 8. The rigid outer part of the Earth, consisting of the crust and upper mantle
- 11. A mixture of gasses that surrounds the Earth
- 13. The surroundings or conditions in which a person, plant or animal live