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Pests and Pesticides
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Contact:A pesticide that kills pests simply by contacting them
Eradication:Destroying an entire pest population in an area
Nonpersistent:A pesticide that breaks down quickly after it is applied
Nonselective:A pesticide that is toxic to most plants, insects or animals
Parasite:An organism living on, in or with another living organism for the purpose of obtaining food
Pathogen:Any disease-producing organism
Persistent:A pesticide that remains active for a period of time after application, giving continued protection against the pest
Disease:Any harmful condition that makes a plant different from a normal plant in its appearance or function
Predator:An organism that attacks, kills and feeds on other organisms
Prevention:Keeping a pest from becoming a problem
Selective:A pesticide that is more toxic to some kinds of plants and animals than to others
Suppression:Reducing pest numbers or damage to an acceptable level
Systemic:A pesticide that is taken into the blood of an animal or the sap of a plant
Translocated:A pesticide that kills plants by being absorbed by leaves, stems or roots and moved throughout the plant
Vertebrate:An animal with a jointed backbone
Beneficial:the predators and parasites that feed on harmful insects, mites and weeds
Pest:Unwanted organism
Symptom:The host plant’s reaction to the disease agent
Sign:Visible presence of the disease agent
Weed:unwanted plant
Disease:Harmful condition that makes a plant different from a normal plant in its appearance or function
Pesticide:A substance or mixture of substances used to prevent, destroy, repel or control undesirable organisms
Pests and Pesticides
Across:2. | Destroying an entire pest population in an area | 5. | Reducing pest numbers or damage to an acceptable level | 8. | Unwanted organism | 10. | Harmful condition that makes a plant different from a normal plant in its appearance or function | 11. | A pesticide that is taken into the blood of an animal or the sap of a plant | 13. | A pesticide that kills pests simply by contacting them | 14. | A pesticide that kills plants by being absorbed by leaves, stems or roots and moved throughout the plant | 15. | A pesticide that is more toxic to some kinds of plants and animals than to others | 16. | A substance or mixture of substances used to prevent, destroy, repel or control undesirable organisms | 18. | Keeping a pest from becoming a problem | 19. | unwanted plant |
| | Down:1. | An organism living on, in or with another living organism for the purpose of obtaining food | 3. | A pesticide that breaks down quickly after it is applied | 4. | A pesticide that remains active for a period of time after application, giving continued protection against the pest | 6. | Any disease-producing organism | 7. | the predators and parasites that feed on harmful insects, mites and weeds | 9. | A pesticide that is toxic to most plants, insects or animals | 12. | Any harmful condition that makes a plant different from a normal plant in its appearance or function | 15. | Visible presence of the disease agent | 16. | An organism that attacks, kills and feeds on other organisms | 17. | The host plant’s reaction to the disease agent |
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© 2012
PuzzleFast.com, Noncommercial Use Only
Pests and Pesticides
Across:2. | Destroying an entire pest population in an area | 5. | Reducing pest numbers or damage to an acceptable level | 8. | Unwanted organism | 10. | Harmful condition that makes a plant different from a normal plant in its appearance or function | 11. | A pesticide that is taken into the blood of an animal or the sap of a plant | 13. | A pesticide that kills pests simply by contacting them | 14. | A pesticide that kills plants by being absorbed by leaves, stems or roots and moved throughout the plant | 15. | A pesticide that is more toxic to some kinds of plants and animals than to others | 16. | A substance or mixture of substances used to prevent, destroy, repel or control undesirable organisms | 18. | Keeping a pest from becoming a problem | 19. | unwanted plant |
| | Down:1. | An organism living on, in or with another living organism for the purpose of obtaining food | 3. | A pesticide that breaks down quickly after it is applied | 4. | A pesticide that remains active for a period of time after application, giving continued protection against the pest | 6. | Any disease-producing organism | 7. | the predators and parasites that feed on harmful insects, mites and weeds | 9. | A pesticide that is toxic to most plants, insects or animals | 12. | Any harmful condition that makes a plant different from a normal plant in its appearance or function | 15. | Visible presence of the disease agent | 16. | An organism that attacks, kills and feeds on other organisms | 17. | The host plant’s reaction to the disease agent |
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© 2012
PuzzleFast.com, Noncommercial Use Only