Uploaded September 2015 | Updated September 2026, 1 week ago

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StanEvolve |

Darwin loves Perry Mason

Name: Darwin and leaf wings @StanEvolve
Uploaded: 2023-08-25T01:29:31-0400
Duration: 8 min 17 s
Description: Why does one species of sumac (Rhus copallina) have photosynthetic wings on its compound leaves and another (Rhus glabra) does not? Does it really make that much difference to plant growth or fitness? We do not know and maybe cannot know. All around you are unanswered and perhaps unanswerable evolutionary questions.