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Lesson summary for:
A fisheye view of the tree of life

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Overview:
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.

Author/Source:
UC Museum of Paleontology

Grade level:
9-12

Concepts:
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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