Across
- 1. product of a chemical process
- 2. identified as meeting certain standards
- 4. chemicals that kill insects
- 8. used to help plants grow
- 10. insects that are helpful
- 11. chemicals used to kill bacteria
- 12. identical copy
- 13. chemicals that are used to kill plants
- 15. infected or soiled in some way
- 16. massive industrial feeding operations
- 17. modification of genes to create superior organisms
- 19. careful preservation and protection of something
Down
- 1. the generally accepted way of doing things
- 3. the efficient management of pests
- 5. chemicals released in the body
- 6. used to house small amounts of hens
- 7. created by humans
- 9. the slow wearing away of the environment
- 14. the diversity of the plats and animals in an environment
- 18. small plastic devices that release hormones