The origin of the Eukarya is one of the most fascinating issues in biology. Eukaryotes possess numerous specific features that can be traced back to the last eukaryotic common ancestor (LECA) (Box 1), ...

The main difference between prokaryotic and eukaryotic cells lies in their structure. Prokaryotic cells and eukaryotic cells are the two types of cells that exist on Earth. There are several ...

Scientists have found further evidence to support the idea that the primary two domains of life, the Archaea and Bacteria, are separated by a long phylogenetic tree branch and therefore distantly ...

Taxonomy is the science that attempts to categorise the many millions of species on Earth. Find out how to define taxonomy, what taxonomists do and why classifying life is so important. The definition ...

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