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In my phylogenetics course I learned that “rooting” a tree can be rather arbitrary. What you get is not a hierarchical structure, but rather links between diffe
by f6v 5y ago
In my phylogenetics course I learned that “rooting” a tree can be rather arbitrary. What you get is not a hierarchical structure, but rather links between different species.
- JoBrad 5y agoAs I recall, this is due to the difference between plant cell walls and animal cell walls. Trees, in particular, assume that if it’s inside them, it’s mostly legitimate.
- ufo 5y agoNevertheless, an unrooted tree is still a tree, in the graph sense of the word. (Not that this matters for the article though; they're talking about botanical trees)