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Available Formats Crash Course Biology Secure Scanned : 06/26/2024 Download HD
Episode

Crash Course Biology - Season 2 Episode 17 How We're All Related (Phylogeny)

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Crocodiles, and birds, and dinosaurs—oh my! While classifying organisms is nothing new, phylogeny— or, grouping organisms by their evolutionary relationships—is helping us see life in a whole new light. In this episode of Crash Course Biology, we’ll learn why this kingdom-phylum stuff is going out of style and why phylogenetic trees are in.
Episode : 81 Episode
Season : 2 Season
Runtime: 15:14 minutes
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