Across
- 2. A set of things working together as parts of a mechanism or an interconnecting network.
- 6. Food or other things that are thrown away
- 7. Existing in or caused by nature; not made or caused by humankind.
- 9. To emerge from an egg
- 11. able to be used for a practical purpose or in several ways.
- 13. To join, fasten, or connect.
- 14. designed for people to live in
- 16. A hole or tunnel dug by certain animals for use as a hiding place or home
- 17. Always doing something; busy; full energy
- 18. To cut with the teeth
- 20. A nerve cell
- 21. Divide into two parts
- 22. The reason something exists
Down
- 1. The natural home or environment of an animal, plant, or other organism.
- 2. throw in various random directions
- 3. The strength and vitality required for sustained physical or mental activity.
- 4. Seasonal movement of animals from one region to another.
- 5. The hard parts inside of a person or animal
- 7. The central part of something
- 8. Very quick or fast.
- 10. of great value;likely to have a profound effect on success, survival, or well-being
- 12. construct or arrange according to a plan; give a pattern or organization to
- 15. having a lot of space below or behind a certain point; reaching far down or back
- 19. A very dry region with few plants growing in it.