2 Season
81 Episode
Crash Course Biology - Season 2 Episode 17 How We're All Related (Phylogeny)
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.
- Country : United States of America
- Genre : Documentary
- Director :
- Cast : Samuel Ramsey
