However, despite this vast, disparate tree of life, every living thing falls into one of three large categories, or “domains”—archaea, bacteria, and eukarya. All of the usual stuff we think ...

The origins of life on Earth have long fascinated scientists, particularly the nature of the last universal common ancestor ...

F. Archaea and the prokaryote-to-eukaryote transition. Microbiology and Molecular Biology Reviews 61, 456–502 (1997) Doolittle, W. F. & Bapteste, E. Pattern pluralism and the Tree of Life ...

Although most biologists would argue that viruses are not alive, some argue that viruses should be included in the tree of life. All organisms ... Bacteria, archaea, and eukaryotes are REOs ...

From the flamboyant blossoms and birds of rainforests to the living rainbows of coral reefs, Earth’s surface is teeming with ...

Since the late 1980s, all life forms have been split into three groups on the phylogenetic tree of life: bacteria, archaea, and eukaryotes. Eukaryotes and archaea have long been considered “sister ...