TANDEM...
"It has become evident that the primary lesson of the study of evolution is that all evolution is co-evolution: every organism is evolving in tandem with the organisms around it."
The first four video-loops are each 5.30mins duration. Feel free to select any 1min section of each to watch...
The final video-loop is exactly 1 min duration...
The video-loops can be viewed at full-screen by clicking on the lower right-hand icon...