Question: Bt corn is a corn plant engineered to resist the European corn borer which plagues corn crops. Bt toxin is toxic to insects that feed

Bt corn is a corn plant engineered to resist the European corn borer which plagues corn crops. Bt toxin is toxic to insects that feed on them. Dr. Losey, an insect biologist, observed a significant drop in Monarch butterfly population. What was his hypothesis to explain this drop and how did he test it?

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Dr John Losey from Cornell University hypothesized that Bt corn pollen was harmful to Monarch butter... View full answer

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