Original file(1,740 × 1,212 pixels, file size: 150 KB, MIME type: image/png)

This is a file from the Wikimedia Commons. The description on its description page there is shown below.

Commons is a freely licensed media file repository. You can help.

Summary

Description
English: The simplest form of greenbeard mechanism. An individual with the greenbeard allele preferentially helps a fellow greenbeard individual.
Date
Source

[1]

[2]
Author Arvid Ågren and Andrew G. Clark

Licensing

w:en:Creative Commons
attribution
This file is licensed under the Creative Commons Attribution 2.5 Generic license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

16 November 2018

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current11:33, 16 November 2018Thumbnail for version as of 11:33, 16 November 20181,740 × 1,212 (150 KB)Evolution and evolvabilityUser created page with UploadWizard

The following page uses this file:

Global file usage

The following other wikis use this file:

Metadata