| A | B |
| ecology | the relationships between living things and their environments |
| strategy | a plan or method of action |
| sanctuary | a holy place or place of shelter and protection |
| inevitable | unavoidable; certain to happen |
| ferocious | savage |
| aggressive | quick to attack; bold and energetic |
| motivated | urged to action |
| catastrophe | a sudden, widespread disaster |
| intelligible | capable of being understood; clear |
| valid | well-grounded on principles or evidence |