Pest Control

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Across
  1. 1. Organisms that reduce the productivity of crops by reducing the amount of energy available for growth.
  2. 4. Can use these along with natural predators to keep numbers of pests low.
  3. 6. Increasing concentration of a pesticide or other chemical as it is passed along a food chain.
  4. 7. Substance that kills weeds that compete with agricultural crops for energy.
  5. 8. Substance used to kill unwanted organisms.
  6. 9. Substance that kills fungal infections that damage agricultural crops.
Down
  1. 2. Means they only kill on pest species.
  2. 3. May produce strains of the pest that are resistant to a pesticide.
  3. 5. Substance that kills insect pests that eat and damage crops.
  4. 6. Means they kill many different species.