Join Melanie on a 5K in episode 73. Phylogeny studies the evolutionary history amongst groups of organisms. It tells the story of relatedness, the branches in the road. (1:37). Be careful - just because two organisms are physically adjacent on a diagram, does not mean they are more closely related (4:05). The episode concludes with unit connections and exam tips (5:34).
The Question of the Day asks (6:50) Ernst Haeckel coined the phrase “ontogeny recapitulates phylogeny.” What is ontogeny?
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