Across
- 3. Chemicals that kill plants
- 8. Chemicals that kill insects
- 10. Chemicals used to kill bacteria
- 11. Chemicals made in one part of the body that act in another part of the body
- 13. Getting rid of pests in a way that does less damage to the environment and has less side effects
- 15. Biologic variety in an environment
- 18. Following or agreeing with a widely accepted thing
- 19. The state of wearing away
Down
- 1. Cages used to hold hens for long periods of time
- 2. A substance obtained from a chemical process
- 4. Insects that perform valued services
- 5. A form of science where scientists introduce new DNA to create a specific trait
- 6. Something that is put up for a particular purpose
- 7. Soil used to increase rates at which plants grow
- 9. To soil, stain or infect by contact or association
- 10. Human Made items
- 12. Having met certain standards
- 14. An individual grown from a single body cell from the parent
- 16. Pieces embedded with hormones introduced under an animals skin slowly producing chemicals
- 17. A careful preservation and protection of something
