A simple food chain (plant. insect pests. and predatory arthropods) in an agro-ecosystem was set up here as a model system to elucidate the potential effect of transgenic Bacillus thuringiensis (Bt) cotton on non-target organisms. The system included transgenic/non-transgenic cotton. https://www.ashleyshomestores.shop/product-category/3-piece-sofa/