Question

What scientist constructed a tree diagram, separating living organisms into three domains?

Answer 1

carl woese

Figure 1.17 This phylogenetic tree was constructed by microbiologist Carl Woese using data obtained from sequencing ribosomal RNA genes. The tree shows the separation of living organisms into three domains: Bacteria, Archaea, and Eukarya. Bacteria and Archaea are prokaryotes, single-celled organisms lacking intracellular organelles.  credit: Eric Gaba; NASA Astrobiology Institute .