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What senerio can lead to a pest provlem

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Final answer:

An overreliance on pesticides contributes to pest resistance, while promoting ecosystem complexity and using natural predators can effectively control pests and enhance crop yields.

Step-by-step explanation:

Scenarios that can lead to a pest problem include overuse of pesticides, which not only become less effective as pests develop resistance, but also harm non-target species and the environment. This creates a cycle where more pesticides are needed, further exacerbating pest resistance and environmental harm.

An alternative and sustainable approach is to enhance the natural ecosystem complexity, which encourages natural predators to thrive, helping control pest populations more effectively. An increase in landscape diversity, including the preservation of native habitats such as hedgerows and forests, has been shown to improve the natural control of pests and consequently increase crop yields and food security, while also lowering the dependency on synthetic pesticides.

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