| A | B |
| ecology | the relationships between living things and their environments |
| strategy | the careful planning and management of anything |
| sanctuary | a place of shelter and protection |
| inevitable | unavoidable; certain to happen |
| valid | logically correct; having legal force |
| aggressive | quick to attack; inclined to hostile action; assertive; bold and energetic |
| motivate | to urge to action; to incite; to give one the idea for action |
| catastrophe | a sudden, widespread disaster; a misfortune |
| intelligible | capable of being understood; clearly communicated |
| ferocious | savage, fierce, or cruel; intense |