Edexcel IGCSE Biology · Spec 5.4
Biological Control: Benefits and Risks
Covers define biological control, Explain advantages over chemical pesticides and Evaluate limitations and ecological risks.
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Biological Control: Benefits and Risks
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Spec 5.4
What you need to know
- Define biological control
- Explain advantages over chemical pesticides
- Evaluate limitations and ecological risks
Active recall
Quick check
Answer each question before opening the answer.
What is biological control?
Using a living organism to reduce a pest population
Give one advantage over pesticides
Specific action, no chemical residues or possible long-term control
Give one possible ecological risk
It may affect non-target species, spread or disrupt a food web
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