Eukaryotes appear, reptiles appear, fish appear, mammals appear, and so on.
Eukaryotes appear to be monophyletic, comprising one of the three domains of life; Bacteria and Archaea are prokaryotes that have none of the characteristics.
Martin's own thoughts on the birth of the nucleus stem from a further considerationnamely, that
all eukaryotes appear to have had mitochondria at some point in their past.
Not exact matches
But intriguingly, the Lokiarchaea
appear to have more than 100 genes coding for sophisticated cellular functions such as deforming cell membranes and forming and transporting bubble - like vesicles around the cell — functions that are usually only seen in
eukaryotes like us.
Though no one has identified an actual cell yet, the new phylum
appears to mingle genes similar to those in modern
eukaryotes and genes from archaea, the sister group to bacteria.