The collective action of environmental factors that maintain numbers of pest population with in certain limit over a time is called_______________?
Correct answer: B. Natural control
- A. Artificial control
- B. Natural control
- C. Cultural control
- D. Physical control
Explanation
Natural control is the combined effect of environmental factors, including weather, predators, parasites and diseases, that keep pest populations within limits. Artificial control requires deliberate human intervention.
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