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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.
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