AP Environmental Science / Unit 5: Land and Water Use
5.6 Pest Control Methods
Notes
Pesticides kill pests but can harm other species, run off into water, and lead to pesticide resistance.
- Genetically modified (GM) crops can resist pests but reduce genetic diversity.
Practice
Pests become resistant to pesticides because:
Natural selection.
A problem with broad-spectrum pesticides:
Non-target species.
A crop engineered to make its own insecticide is:
Genetic modification.
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