Evolution of eusociality
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Eusociality evolved repeatedly in different orders of animals, notably termites and the Hymenoptera. This 'true sociality' in animals, in which sterile individuals work to further the reproductive suc
Honeybee workers collaborating on a comb have given up their ability to reproduce, an extreme expression of eusocial behavior.
Cheating (biology)
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Cheating is a term used in behavioral ecology and ethology to describe behavior whereby organisms receive a benefit at the cost of other organisms. Cheating is common in many mutualistic and altruisti
Stalked slime mould fruiting bodies
Fish cleaned by smaller cleaner wrasses on Hawaiian reefs
Wasp nest, with some larvae
A nest of naked mole rats