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--- tirades:2019-06-07 [2024/01/25 09:37] – ↷ Links adapted because of a move operation 111.225.149.188
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-An explanation of the evolutionary history of the three known sophont species is illustrative, particularly since it provides an opportunity to show what other [[universe:mikurmiya:avishraa]] lifeforms are like.
+An explanation of the evolutionary history of the three known sophont species is illustrative, particularly since it provides an opportunity to show what other [[universe:mikurmiya:avishraa|Avishraan]] lifeforms are like.
 It is important to remember that a large proportion of Avishraan vertebrates are [[species:clade:hexapod|hexapods]]; they are six-limbed, or at least descended from ancestors that were - in the same way that snakes or dolphins are classed as [[https://en.wikipedia.org/wiki/Tetrapod|tetrapods]], despite having lost some or all of their limbs through natural selection. Since only four limbs are required for locomotion, particularly on the ground, it's fairly common for at least one pair of limbs to be have been specialized for some other purpose. Those vertebrates that are not hexapods are, for the most part, the equivalents of Earthly fish, though there are a few "living fossil" species of genuine tetrapods.
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 Between eighteen and nine thousand cycles before present, the Brightness underwent the increase of aridity that brought it to its present state. While riverbanks and scattered oases and wadis remained capable of supporting large populations, the grasslands beyond increasingly turned to desert, and competition for resources became fiercer. This ultimately drove a wedge between those able to cling to their verdant lands, who were able to retain their complex societies and higher population density, and those forced to survive on increasingly marginal land, who only survived by breaking up and roaming. What began as a social divergence increasingly became a genetic one as well, as the desert-dwellers - the ancestors of the [[xtauh:]] - became smaller and better adapted to low humidity, and started to be rejected as mates by the river-dwellers.
-As desertification continued and minor streams and rivers continued to disappear, however, the river-dwellers became desperate for new living space, and waves of refugee populations departed in search of new lands. Many of them died in the desert, or settled alongside the desert dwellers and were among those who became the xtauh. Beginning in fifteen thousand cycles before present, however, several waves of settlement managed to brave the pass at what was later known as [[avishraa:geography:sekhaa:region:tavaths_gap|Tavath's Gap]] and cross into the upper reaches of the [[avishraa:geography:sekhaa:river:Sahvarr]] watershed and down into the [[geography:sekhaa:region:cerulean_tangle]]. It was these populations who became the ancestors of the [[takma:|takmar]].
+As desertification continued and minor streams and rivers continued to disappear, however, the river-dwellers became desperate for new living space, and waves of refugee populations departed in search of new lands. Many of them died in the desert, or settled alongside the desert dwellers and were among those who became the xtauh. Beginning in fifteen thousand cycles before present, however, several waves of settlement managed to brave the pass at what was later known as [[geography:sekhaa:region:tavaths_gap|Tavath's Gap]] and cross into the upper reaches of the [[geography:sekhaa:river:Sahvarr]] watershed and down into the [[geography:sekhaa:region:cerulean_tangle]]. It was these populations who became the ancestors of the [[takma:|takmar]].
 There remained some level of gene flow between the two populations, with the inhabitants of the Brightness river valleys and the uplands on either side of the Spine providing a genetic bridge, but this gradually slowed to a trickle as the xtauh and takmar continued to diverge further. By six thousand cycles ago, large-scale interbreeding had ceased, with most genetically intermediate populations having been assimilated into one or the other. The two species still bear a strong physical resemblance, but hybrid children, if viable at all, frequently suffer health problems.
 ...aaaaaand holycrapthatwaslongerthanIthoughtitwouldbe. Not sure what to do next. Maybe explore some of the differences between takmar and xtauh in the present day.