Exact(7)
In a compelling example of how "big data" and machine learning are beginning to make a significant impact on all facets of knowledge, researchers from UC Berkeley and the University of British Columbia have created a computer program that can rapidly reconstruct "proto-languages" – the linguistic ancestors from which all modern languages have evolved.
Internal nodes represent inferred lineage splitting (speciation) events that give rise to descendant sister groups in other words, they represent the common ancestors from which two or more related lineages are descended.
This is all the more remarkable because the great beasts are quite primitive, bearing anatomical characters directly traceable to the ancestral Eocene era ancestors from which Asian turtles sprang.
Instead, extant species share common ancestors, from which they all descend.
The green algae are generally considered the sister to ancestors from which land plants evolved.
This may result from two different and not mutually exclusive factors: reduction of higher-order EULs due to deletion of unnecessary parts inherited from certain ancestors on the one hand, and on the other hand the persistence of lower-order EULs in several ancestors from which no sequences are available as yet.
Similar(53)
It is generally agreed that the two orders had a common ancestor from which they may have evolved.
X. zhengi appears in the fossil record some five million years before Archaeopteryx, and this fact suggests that the single ancestor from which all bird lineages originate has yet to be found.
It was then, in a flash of memory, that I saw with sudden clarity the ancestor from which these two kitchens with their paneled walls and utilitarian Garland stoves derived: it was my grandmother Ida's kitchen in Maine, where I spent my most vivid, most pleasant and perhaps most formative childhood years.
Push back further in time, and you can find the common ancestor from which all versions of the gene came from.
As an example, it is often correctly noted that the wings of birds and bats are homoplasious, given that the distant ancestor from which they are both descended (which was neither a mammal nor a bird) did not fly.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com