The main phonetic difference between the two sets is the position of the root of the tongue, whether advanced or retracted, though there may also be differences in the movement of the larynx.
However, the position of the root of the Siphonocladales could not be determined unambiguously, as outgroup rooting and molecular clock rooting resulted in a different root placement.
Trees may be oriented up or down, to the left or to the right, depending on the position of the root or point of origin.
In contrast to previous screens, we demonstrate that our conclusions hold regardless of the position of the root of the eukaryote tree.
As Mans et al. [10] acknowledged, this makes it difficult to unambiguously establish the complexity of the NPC in the Last Eukaryotic Common Ancestor (LECA), since inferences are dependent upon the position of the root of the eukaryote tree.
Finally, we tried to modify the distances between placental mammals and the outgroups, but we could not determine the position of the root with confidence because of very strong attractions between many placental mammals and the outgroups.
The primary remaining uncertainty is the position of the root.
The position of the root tip on day 5 was marked on the Petri dish surface.
The position of the root was noted in each of the 100 simulations.
The position of the root can be deduced by using the outgroup species Lactococcus lactis.
This makes the position of the root unidentifiable and so we use unrooted trees throughout this paper.
