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caseywdunn / phylogenetic_biology

A book for my course
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Misc comments #5

Open beroe opened 4 years ago

beroe commented 4 years ago

https://github.com/caseywdunn/phylogenetic_biology/blob/b582d0246c5bfd0c13a0ff1c4f38f4ff99dfa54e/02-phylogenies.Rmd#L69

As part of the section on abstraction, it might be worth mentioning that parent nodes are rarely the immediate parents like they are in a genealogy. They are some ancestral lineage in common to the two child nodes, and could be thousands or millions of years removed.

beroe commented 4 years ago

Figure 2.7. maybe also rotate that first child node so the kangaroo goes to the top and whale goes to the bottom. Circular tree is a bit small relative to the rest.

beroe commented 4 years ago

The icons in the trees (e.g. Fig 2.5) are noticeably squashed vertically (=stretched horizontally). Attached image shows proportions of original silhouette in gray and rendered image in black, scaled to same width. Screen Shot 2020-08-27 at 21 34 40