Ecosystem

4. a barren area of land where little precipitation occurs
7. an animal that feeds on flesh
9. put or keep out of sight
10. areas where the vegetation is dominated by grasses
12. a group of people living in the same place or having a particular characteristic in common
14. the natural home or environment of an animal, plant, or other organism
15. the activity of hunting wild animals or game

1. a warm-blooded egg-laying vertebrate distinguished by the possession of feathers, wings, and a beak and (typically) by being able to fly.
2. no longer in existence
3. an animal that feeds on plants
5. the surroundings or conditions in which a person, animal, or plant lives or operates
6. a biological community of interacting organisms and their physical environment
8. an animal or person that eats food of both plant and animal origin
11. a hierarchical series of organisms each dependent on the next as a source of food
13. animals that have hair, are warm-blooded, and nourish their young with milk