Across
- 2. it is essential or very important
- 5. needs food (including water), shelter and clothing
- 7. to become adjusted to new condition
- 9. the natural home or environment of an animal, plant, or other organism
- 10. an interacting group of various species in a common location
Down
- 1. the smallest structural and functional unit of an organism
- 3. the way that someone or something looks
- 4. an individual animal, plant, or single-celled life form
- 6. to arrange in classes or categories according to shared qualities or characteristics
- 8. no longer in existence