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Keith_Richards [23]
2 years ago
10

Why did the population of pests in Area A increase in 1978 when, in 1977, it appeared that the pest had been almost completely e

liminated
Biology
1 answer:
ra1l [238]2 years ago
5 0

Answer:

Introduction from other regions or due to resistance.

Explanation:

There may be two reasons for their presence, first it may be introduced from surrounding regions of that area where no pesticides are used for their elimination or secondly, may be some of pests survive due to gain resistance against the pesticide which increases their population in the next year. So both are possible ways which increase pests population.

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