单项选择题
The universal tree of life based on rRNA gene sequences is a genealogy of all life on Earth. The tree is called ___________.
A、phylogenetic tree
B、molecular tree
C、genome tree
D、ribosomal tree
The universal tree of life based on rRNA gene sequences is a genealogy of all life on Earth. The tree is called ___________.
A、phylogenetic tree
B、molecular tree
C、genome tree
D、ribosomal tree