Question

why are weeds not affected by pests​

Answer 1

Answer:

Several weed and wild plants prepare chemicals and store them in different parts for protection against herbivores, insects and pests. Some of the chemicals are toxic and may even kill the insects and pests that eat them. Hence weeds and wild plants are not affected by insects and pests...

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Answer 2

Answer:

Because they also posses toxic material which kill the insects poisonous. WEEDS AND WILD PLANTS SECRETE A POISONOUS LIQUID WHICH IS WHY THEY ARE NOT AFFECTED BY INSECTS.

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