Across
- 2. basic unit of life
- 6. any part of an experiment which may vary or change
- 9. the study of reptiles and amphibians
- 11. cycles through ecosystems
- 12. the study of plants
- 14. biological process of internal regulation; property of life
- 15. the total of individuals of a specific species in an ecosystem
- 17. part or feature of an experiment which does not change
- 19. living components of an ecosystem
- 21. the study of mammals
Down
- 1. type of variable unchanged and unaffected by other variables
- 3. flows through ecosystems; decreasing from high to low quality
- 4. suggested explanation which can be tested and proven false or true
- 5. supported by evidence, unable to be tested
- 7. non-living components of an ecosystem
- 8. the study of animals
- 10. biological process of producing offspring; property of life
- 13. the study of tissues
- 16. the study of birds
- 18. two or more tissues which complete a function
- 19. prefix meaning life
- 20. capable of predicting outcomes of natural scenarios