For example, there is a bird in Western Europe called the Lesser Black-backed Gull.
Many years ago, a group of Lesser Black-backed Gulls set out from Western Europe and migrated eastward. Due to the higher altitude, they would not continue northward into the Arctic. Eventually, they took root in Siberia and became the Lesser Black-backed Gull Siberian subspecies.
Then, a group of Lesser Black-backed Gulls of the Siberian subspecies continued to migrate eastward, and eventually evolved into Heglin's Gulls.
A group of Heglin's Gulls continued to migrate eastward, and then evolved into the subspecies Vega's Herring Gull, the Vega's Herring Gull, and the United States' Herring Gull.
Finally, a group of United States Herring Gulls crossed the Atlantic Ocean again and returned to Western Europe, evolving into Herring Gulls again.
Although the habitats of Lesser Black-backed Gulls and Herring Gulls greatly overlap, there is considerable reproductive isolation between them and they cannot produce hybrid offspring.
No, more than that, there is already reproductive isolation between the herring gull and the Weaver's gull.
Lesser Black-backed Gull, Lesser Black-backed Gull subspecies Siberia, Heglin's Gull, Herring Gull subspecies Vega, Herring Gull, United States Herring Gull, Herring Gull. This circle of species forms an evolutionary chain.
In this chain, two adjacent groups can interbreed and produce hybrid offspring. However, there is often reproductive isolation in separated groups.
"Species" is a man-made concept. The traditional human definition of "species" is "a group of individuals that can mate and reproduce, but cannot mate with other organisms, cannot have sexual intercourse, or the hybrids produced after mating can no longer reproduce."
To put it simply, it is "reproductive isolation".
But "reproductive isolation" is not a clear concept. There is no reproductive isolation between the Lesser Black-backed Gull and the Lesser Black-backed Gull subspecies Siberia, and between the Lesser Black-backed Gull Siberia subspecies and the Hegling's Gull. According to the traditional definition, they belong to
One species. However, the Lesser Black-backed Gull and the Hegling's Gull are reproductively isolated.
Perhaps the human definition of "a person" has blurred boundaries.
The Yawgmoths of the 21st century are like little black-backed gulls that set out from Western Europe. By the time this small population followed the wind and traveled around the Arctic Circle for a week, and then returned to Western Europe, they had already evolved
Became a herring gull.
Between the Lesser Black-backed Gull and the Herring Gull, there are many transitional populations that can produce hybrid individuals.
But the young Yawgmoth and the Father of All Machines, Yawgmoth, are completely two individuals.
No matter how the herring gull changes...even if there is another great environmental change later and the two populations evolve together, there will always be reproductive isolation between them, and at most they can only become parallel lines of competition with each other.
In any case, the Herring Gull will no longer merge with the Lesser Black-backed Gull.
Yawgmoth can't change back.
Niyaguti sighed. Then, the indicator light on the table turned on: "There is an interface there, connect it there. I will make a copy directly - does he have any requirements?"
"Request? Probably not. He doesn't want too many people to know the location of cetacean civilization." Xiang Shan said, "After all, there is no need to involve whales in human civil war..."
"It's too difficult to be alone." Niyaguti sighed, "Human beings are too powerful and the earth is too small. Human civil wars have long been more than just human affairs. Forget it... they are not strong."
This time, it was Xiangshan's turn to stare at Niyaguti in shock.
Xiangshan asked: "Are you really Nyaguti Ndebile... Do you really have the same personality as Nyaguti Ndebile?"
Niya Gudi glanced at Xiang Shan: "Are you surprised?"
"It's hard to imagine that you would say such a thing." Xiang Shan put his hands on his face to outline the corners of his mouth and gestured with a smile, "I thought that hearing this kind of news would make you...well, happier."
"I'm very happy."
"But there's nothing like that..." Xiang Shan scratched his head, "I can't say. But you..."
He pointed to his brain: "I don't think your mental state is very good."
Niaguti shrugged and said, "Maybe, this is just numbness."
"I feel that pushing a civilization that was born less than two hundred years into the battlefield of human civil war is as cruel as training children into soldiers." Xiang Shan said, "Is this the fine tradition of Africa?"
This kind of thing really happened. On the ground more than two hundred meters above their heads, this kind of thing really happened.
Xiang Shan shouted: "You were not like this three hundred years ago."
Niaguti said nothing.
Xiang Shan was also silent. He laughed to himself: "Well, who told Xiang Shan to die early? By the way, is Dr. Tao here?"
"He's still there." Niyaguti nodded: "I used the few glial cells he had left to re-culture neural stem cells, filled them into the inner side of Dr. Tao's advanced cortex, and removed those cells bit by bit.
Using algorithms to temporarily simulate the underlying instincts of the mind, retraining from scratch... To be honest, this process is very difficult. For a long time, he will not be able to go to the battlefield as a knight. He will not even be able to work as a logistics doctor.
Maybe he can only work in education."
Xiang Shan pressed his forehead with one hand: "I have never seen a more serious disability than this... He only has high-level cortex left. You are still evaluating his working ability. You shouldn't say at this time,
'It's going to be tough, but I believe he will eventually recover'?"
"Oh, that's right. More than two hundred years ago, you were usually the one doing this kind of thing."
So, the two fell into silence again.
"The greedy nature of human beings always likes the rich materials brought by high efficiency, but high-efficiency behaviors, styles, and organizational forms are mostly anti-human." Niyaguti said, "There is no way, people in this industry,
Eventually it becomes a personification."
Xiangshan didn't want to hurt each other anymore. He got to the point and asked, "Did Dr. Tao tell you about me?"
"You saved him, I know that."
Xiang Shan asked again: "Did Dr. Tao tell you the story of the Ninth God of War?"
Veins popped up on Nya Guti's arm: "That guy Yawgmoth is completely crazy and there is no hope."
"Oh, it seems you know." Xiang Shan nodded, "Doctor Tao has a little suspicion that I am something similar to the Ninth God of War... something created by some conspiracy group. Perhaps to test the theory,
Maybe it's similar to the Ninth God of War. I have to find a way to test my own cells, study the artificial traces inside, and determine what I am."
Niyaguti was startled for a moment: "This is the first time I've seen...well, someone talking about themselves...such a thing with such an attitude."
Xiang Shan shrugged: "I also know a lunatic who even thinks of himself as an inbred mouse."
－－－－－－Digression－－－－－
Can't run away, can't run away, can't run away, can't run away