Getting you started with comparative phylogenetics
Some materials to get you up to speed with the theory
https://bookdown.org/bomeara/comparative-methods/
https://lukejharmon.github.io/pcm/chapters/
http://rfunctions.blogspot.com/2017/07/phylogenetic-comparative-methods-pcms.html
Some more links on plotting and phylogenies to get you started
https://yulab-smu.github.io/treedata-book/index.html
http://www.phytools.org/Cordoba2017/ex/2/Intro-to-phylogenies.html