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A fisheye view of the tree of life


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This interactive phylogeny of the ray-finned fishes lets users dynamically explore the evolution of fish traits, as well as read stories about the evolution of unusual characteristics such as bioluminescence and venom.

UC Museum of Paleontology

Grade level:

Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details.

  • Features sometimes acquire new functions through natural selection.

  • Evolutionary trees (i.e., phylogenies or cladograms) portray hypotheses about evolutionary relationships.

  • Not all similar traits are homologous; some are the result of convergent evolution.

Teacher background:

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