Tree Terminology
branch : defines
the relationship between the taxa in terms of descent and
ancestry
‚branch length :
often represents the number of changes that have occurred in that
branch
ƒdistance scale : scale which represents the number of differences between sequences (e.g. 0.1 means 10 % differences between two sequences)
„node : a node
represents a taxonomic unit. This can be a taxon (an
existing species) or an ancestor
(unknown species : represents the ancestor of 2 or more species).
…root : is the
common ancestor of all taxa
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