Rapid evolution within single crop-growing season increases insect pest numbers

New research shows that evolution can occur so rapidly in organisms that its impact on population numbers and other aspects of biology can be seen within just a few generations. Working on aphids, the researchers found that even without human interference natural selection acting on aphid populations caused rapid evolution. The research can improve scientists' ability to predict the growth and spread of endangered species, invasive species, and disease epidemics.

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