Across
- 2. The information, understanding and skills that you gain through education or experience
- 5. The protection of the natural environment
- 8. A large area of land that has very little water and very few plants growing on it. Many deserts are covered by sand.
- 12. Too anxious and tired to be able to relax
- 14. A structure made of metal bars or wire in which animals or birds are kept
- 15. Living or growing in natural conditions; not kept in a house or on a farm
- 16. The natural world in which people, animals and plants live
Down
- 1. To make sure that somebody/something is not harmed, injured, damaged, etc
- 3. (Used especially about groups of animals, plants, etc.) at risk of no longer existing
- 4. A large area of open land covered with wild grass
- 6. Existing only in small numbers and therefore valuable or interesting
- 7. Connected with, or near the North or South Pole
- 9. A careful study of a subject, especially in order to discover new facts or information about it
- 10. The place where a particular type of animal or plant is normally found
- 11. Left and no longer wanted, used or needed
- 13. Very different from each other and of various kinds