Pests and Biological Control Flashcards

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1
Q

What are the advantages of pesticides?

A
  • Reduces pest population instantly
  • Can kill the whole population of pests
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2
Q

What are the disadvantages of pesticides?

A

-Cost (need for regular application)
-Not specific (eg will kill pollinating insects in addition to pests)
- Pest can become resistant to chemical
- Chemical can concentrate in all organisms higher up and lead to bio accumulation

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3
Q

What are the advantages of biological control?

A
  • Organism only introduced once as it will reproduce
  • Only one cost for initial production
  • Pest specific
  • Pest will not become resistant
  • No effect on other animals in food chain
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4
Q

What are the disadvantages of biological control?

A

-Takes time to reduce pest population
-Not all population killed
- Expensive if re-populating required

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