Across
- 2. A group of animals that are from the same family
- 5. Like the realease of gases affecting the environment
- 6. relating to or concerned with the relation of living organisms to one another and to their physical surroundings.
- 7. variation of living beings
- 8. everything on a specific area like deserts
Down
- 1. organisms with life
- 3. everything on a perfect balance
- 4. organism with no life
- 6. all surroundings