Greenbeard altruism is a fascinating concept in evolutionary biology that attempts to explain the evolution of altruistic behavior. It proposes that a single gene (or a set of tightly linked genes) can be responsible for three distinct traits: a noticeable signal or "tag" (like a green beard), recognition of that signal in others, and altruistic behavior directed towards those with the same signal. This allows individuals to selectively cooperate with others who share the same gene, even if they are not related. 1 While the "green beard" example is hypothetical, there are real-world examples of this phenomenon in various organisms, highlighting the potential for cooperation to arise through mechanisms beyond kin selection.
Green beard altruism, while theoretically possible, is rarely observed in nature due to the complex requirements of a single gene controlling the signal, recognition, and altruistic behavior.
by The Counterintuitive Words February 10, 2025
Get the Green Beard Altruismmug. Inserting a toy turtle into your ass and letting it slide out into a body of water.....yes this has been done before.
by Chilly mornings March 21, 2016
Get the green turtle lodgemug. Bro, I was fucking that vegetarian bitch Rita the other night. She talked back to me and I gave that slut a green thumb!
by Tommy&Ricky June 10, 2021
Get the Green Thumbmug. by guy number 7 April 25, 2025
Get the green milkmug. Green FN, commonly known as “Green FN” is a common meme used around the 17th century during the introduction of basketball. When a player shoots outside the box (3 pointer) they would tend to shout “Green FN” which is abbreviated to “Green F—ng N—a”
by Rhyspenis April 5, 2024
Get the green fnmug. Rejecting all the evidence, Tim stuck doggedly to his green-cheese conviction that the indigenous population had arrived only 700 years ago.
by Claude Ball November 18, 2017
Get the green-cheesemug. A specific leadership role in The Land of the Giant. (Amazon fulfillment center) The Green Queen actively put all of the
Social Distancing Guidelines into action. With Covid sort of going away, The Green Queen now insures that every eligible employee receive free safety shoes that Amazon provides through the Zappos website. The Green Queen is a master at remembering your name, my name, or anyones name. Leadership in The Land of the Giant wear vests. The Green Queens vest is green.
Social Distancing Guidelines into action. With Covid sort of going away, The Green Queen now insures that every eligible employee receive free safety shoes that Amazon provides through the Zappos website. The Green Queen is a master at remembering your name, my name, or anyones name. Leadership in The Land of the Giant wear vests. The Green Queens vest is green.
by The Pinklestinker July 13, 2021
Get the Green Queenmug.