Bacillus thuringiensis is best described as

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Multiple Choice

Bacillus thuringiensis is best described as

Explanation:
Bacillus thuringiensis is a beneficial bacterium used in plant protection. It works as a biological pesticide: the organism forms spores and crystalline toxins that, when ingested by certain insect larvae (like caterpillars and some beetles), are activated in their gut and disrupt the digestive lining, leading to death. This makes Bt a targeted, environmentally friendly option within integrated pest management, as it mainly affects specific pests and is generally safe for humans and many non-target organisms when used correctly. It is not a chemical pesticide, not an insect itself, and not a nutrient supplement.

Bacillus thuringiensis is a beneficial bacterium used in plant protection. It works as a biological pesticide: the organism forms spores and crystalline toxins that, when ingested by certain insect larvae (like caterpillars and some beetles), are activated in their gut and disrupt the digestive lining, leading to death. This makes Bt a targeted, environmentally friendly option within integrated pest management, as it mainly affects specific pests and is generally safe for humans and many non-target organisms when used correctly. It is not a chemical pesticide, not an insect itself, and not a nutrient supplement.

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