Species that never interact can still profoundly influence each other’s evolution

Natural ecosystems are intricate webs where species can interact directly, like predators and prey, or influence one another through a chain of environmental effects. But can these indirect interactions be powerful enough to permanently alter a species’ genetic makeup? According to researchers at the Institute of Organismic and Molecular Evolution at Johannes Gutenberg University Mainz (JGU), the answer is a definitive yes.

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