Across
- 3. (of land or a climate) having little or no rain; too dry or barren to support vegetation.
- 10. done or existing alone
- 11. a muscular, thick-walled part of a bird's stomach for grinding food, typically with grit.
- 12. a large flightless fast-running Australian bird resembling the ostrich, with shaggy grey or brown plumage, bare blue skin on the head and neck, and three-toed feet.
- 13. a homeostatic process that maintains a steady internal body temperature despite changes in external conditions.
- 14. relating to the branch of biology that deals with the normal functions of living organisms and their parts.
Down
- 1. relating to or forming part of the structure of a building or other item.
- 2. the process of change by which an organism or species becomes better suited to its environment.
- 4. shining with a soft, slightly wavering light.
- 5. involving, relating to, or emphasizing behaviour.
- 6. drive or push something forwards.
- 7. being the only one of its kind; unlike anything else.
- 8. of very great extent or quantity; immense.
- 9. the process of digesting food