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Brood size significantly decreases over multiple generations after exposure to Ag nanoparticles (AgNPs) of (A) 2-nm, (B) 5-nm, and (C) 10-nm diameter. Size-dependent toxicity is evident at higher exposure concentrations. P0 = parent generation; F1 = first-generation progeny; F2 = second-generation progeny; F3 = third-generation progeny. [Color figure can be viewed in the online issue which is available at wileyonlinelibrary.com]
