Study confirms evolutionary link between social structure and selfishness

In laboratory tests, researchers showed they could predictably increase or decrease rates of cannibalism in Indian meal moths by decreasing how far individuals could roam from one another, and thus increasing the likelihood of “local” interactions between sibling larvae. In habitats where caterpillars were forced to interact more often with siblings, less selfish behavior evolved within 10 generations.

— Read on phys.org/news/2021-03-evolutionary-link-social-selfishness.amp

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