Across
- 1. the complex of physical chemical and biotic factors
- 5. A biological community of organisms
- 8. The weather condition in an area
- 9. Relating to the relation of living organisms to want another and their physical syrundings
- 10. The branch of knowledge that deals with moral principles
Down
- 2. The phenomenon of the physical world collectively
- 3. The state of living or existing at the same time
- 4. The ability to maintain at a certain level
- 6. The planet which we live in
- 7. A set of principles concerned with nature and appreciation of beauty