Across
- 3. the surrounding in which we live
- 5. Consume dead plants and animals
- 9. Consume plants
- 10. Make energy by photosynthesis and is available to rest
- 11. Living organisms are called
Down
- 1. The production of CFCs has led to depletion of
- 2. rays. Radiations bu sun cause harm
- 4. Tranfer of energy is
- 6. All organisms interacting with each other
- 7. chains. Series of organisms taking part at various biotic levels
- 8. United Nations Environmental Programme
- 9. Are at top level of any food chain