| __ | 1. | crumbled | | A. | broken into small pieces; reduce to tiny bits |
| __ | 2. | droughts | | B. | all the living things and non living things in an area |
| __ | 3. | ecosystem | | C. | long periods of dry weather without rainfall; shortages |
| __ | 4. | extinct | | D. | no longer exists |
| __ | 5. | flourished | | E. | thrived or grew strongly |
| __ | 6. | fragile | | F. | delicate and tends to break easily |
| __ | 7. | imbalance | | G. | the parts are not equal. stead, or secure |