Across
- 6. Small cages used to hold several hens for long periods of time
- 8. Biological variety in an environment as indicated by numbers of different species of plants and animals
- 9. The state of wearing away by or as if by the action of water, wind, or glacial ice
- 13. Chemicals that kill plants
- 14. Large pens of livestock kept confined and usually fed grain until large enough to harvest
- 15. Insects that perform valued services like pollination and pest control
- 16. Ecological approach to pest management, incorporating all available techniques in a plan to manage the pest in such a manner that economic damage is reduced and adverse side effects are minimized
- 17. To soil, stain, or infect by contact or association
Down
- 1. A careful preservation and protection of something; especially planned management of a natural resource to prevent exploitation, pollution, destruction, or neglect
- 2. Chemicals that kill insects
- 3. Endorsed authoritatively as having met certain standards chemical a substance (as an element or compound) obtained from a chemical process or used to get a chemical result
- 4. Introducing dna from other species in order to get new characteristics such as vitamin production, disease resistance, etc.
- 5. A substance (asmanure or a chemical) used to make soil produce larger or more plant life
- 7. Following, agreeing with, or based on a way of doing things that is widely accepted and followed
- 10. Chemicals used to kill bacteria; may also be used as a growth stimulant in livestock artificial made, produced, or performed by human beings
- 11. Chemicals made in one part of the body that act on another part of the body;part of the body’s chemical message system; used to make livestock grow faster or produce more milk
- 12. An individual grown from a single body cell of its parent and having the same genes as its parent
- 18. Usually small plastic pieces with embedded hormones that are inserted under an animal’s skin for slow-release of the chemicals