16. Pesticides

1234567891011
Across
  1. 4. Any species that negatively impacts human welfare
  2. 5. In a healthy ecosystem, pests are kept under control by their natural _____________
  3. 7. _________________-spectrum pesticides kill a large amount of different species
  4. 9. Growing only one type of plant in an area is called a:
  5. 10. About 20% of all crops are lost to _________
  6. 11. _________________ Pest Management (IPM)is an ecosystem-based strategy that focuses on long-term prevention of pests
Down
  1. 1. ________________ pesticides are methods of controlling pests that cause less environmental harm
  2. 2. A substance used to control pests
  3. 3. _________________-spectrum pesticides kill only a small amount of different species
  4. 5. The Environmental ___________ Agency (EPA) is responsible for regulating the use of synthetic pesticides in the U.S.
  5. 6. ______________ pesticides are chemicals used to control pests
  6. 8. A synthetic pesticide used after World War II that caused a serious decline in eagle populations