Across
- 5. the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment
- 6. when you rely on something
- 9. contains rocks
- 11. not plants
- 14. animals that are food
- 15. the smallest unit that can live by itself
- 17. has air
- 18. a biological community of interacting organisms and their physical environment
- 19. every living thing
Down
- 1. he weather conditions prevailing in an area in general or over a long period
- 2. not animals
- 3. something that hunts prey
- 4. about the environment
- 7. relating to or concerned with the relation of living organisms to one another and to their physical surroundings.
- 8. where animals live
- 10. another word for earth
- 12. something that is made up of organs
- 13. contains water
- 16. the third planet from the sun
- 18. relations of organisms to one another