Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20140414030413/http://www.ncbi.nlm.nih.gov:80/Class/NAWBIS/Modules/Phylogenetics/phylo9.html
Rooted trees reflect the most basal ancestor of the tree in question.
There are competing techniques for rooting a tree; one of the most common methods is through the use of an "outgroup" (see section on Parsimony Methods).
Unrooted trees do not imply a known ancestral root.
