BI-1949
Energy flow in ecosystems
Biology · Secondary 4 · Medium · Energy flow in ecosystems
A farmer sprays pesticide that kills most of the insects in his field. Which statement best explains how this can reduce the population of owls that hunt in the same area?
- Less food for mice means less energy available to owls higher up the food chain.
- Owls are directly poisoned because they only eat insects.
- Owls stop hunting because pesticides scare them away permanently.
- Pesticides increase plant growth so owls move to forests instead.
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