America, the City of Angels.

Wang Zi'an went abroad, and during this time he stayed at home, and he was very insecure.

After all, after doing such a big thing, people in the circle complained and complained.

"Sika should be about to react, right?" Yui Aragaki who likes to make tea lately makes tea for the prince in their residence in the City of Angels, and the craftsmanship is pleasing to the eye, with the smell of mountains and water.

At this time, Aragaki Yui has become a girl who can't be bigger.

The sisters and children in the family are all making soy sauce, and she is still floating around alone.

When she was urged by her parents, she always said that she was not in a hurry, and she did not have financial difficulties to the point of raising children to prevent old age.

On the contrary, even if she doesn't divide her parents' property, she has been mixed with Sansan all these years, as long as she doesn't spend hundreds of thousands of dollars a day, she has earned enough for her to spend several lifetimes.

"Ugly people are married for the second time and three times, and they have a lot of children, and you don't look ugly, why don't you get married and have children?"

Aragaki Yui also blamed herself and felt sad because of her parents' urging, but she didn't tell Sansan.

"Will you reassemble when you're young?" Sika doesn't seem to have signed an owner yet, and all announcements during this time are run by her own studio. Ivanka is also in this villa that belongs to Wang Zi'an, she is still tall and tall, probably not married and has children, so she does not age as quickly as other European and American women who are married and have children.

"Scattered and scattered, every time we assemble, everyone coordinates in various ways, which is very troublesome. Fans don't understand, we can't be unreasonable. Wang Zi'an shook his head: "Besides, to cause this shock with the end of a young time, it is an equal price paid by both sides, and it is too much to assemble again in a young time, and some people will not agree." ”

Aragaki Yui said disdainfully: "Does anyone dare to touch us?"

"People with heads and faces dare not move, but it is not excluded that the fish of little-known people are broken. Wang Zi'an said: "I don't worry about myself, and I have to worry about your safety." Well, don't mention it, it's really over in a short time, and there is no possibility of regrouping. ”

"What about Sika?" asked Yui Aragaki, feeling a little sorry for the sacrificed Sika.

Wang Zi'an was silent for a while and said: "Many years later, one day we will laugh and laugh when we meet." ”

Someone pursues perfection and can't accept it when they learn that their beloved partner has had a deep friendship with their previous partner, so they part ways.

Wang Zi'an thought that this was probably the case with Sika this time.

"Sansan, in two years, we will be able to retreat into the background and live a happy little life. Aragaki asked.

Whether it is a direct or indirect murderer, he has now got the results he deserved, and even implicated many innocent people.

Wang Zi'an nodded, and then asked, "Do you think I'm just venting?"

"Isn't it?" said Ivanka, confused.

Wang Zi'an said: "Actually, I am saving this circle, it has developed to the peak, and it is very appropriate to describe it as entertainment to death, and it needs to be reshuffled." Let me tell you a story. ”

Yui Aragaki and Ivan Ka are in a hurry, and Sansan, who is talking nonsense, is the cutest.

Wang Zi'an began to tell the story.

There was an ecologist who conducted an experiment called Mouse Utopia.

He placed four pairs of rats, four males and four females, in a barn-turned-experimental field, a small space enclosed by a square metal fence with a side length of 2.7 meters and a height of 1.4 meters, with four vertical barbed wire tunnels on each side, each leading to some rat nest.

In the small world, the nest can hold 3,840 mice, 9,500 mice with food, and 6,144 mice with water.

There are no natural predators, scientists clean them regularly, so there is no threat of large-scale infectious diseases, and the only thing that is limited is space.

If it is reasoned according to normal logic, how many rats will reach at most?

The 3,840 nests accommodate?

Or 6,144 of the water supply?

Or is it this intermediate value?

None of the actual results are true, and the final results of this simulation experiment are jaw-dropping and incredible.

At first, the rat population increased dramatically, doubling every 55 days to 620 at 315 days, and since then the rate of reproduction has slowed and the number has only doubled every 145 days.

On day 560, the rat population peaked at 2,200 individuals, and since then, the population has been declining, with the last cub being born on day 600.

That's right, in the entire rat utopia, not a single mouse cub appeared, although there were signs of pregnancy later, but no new cubs were born, and the entire rat population went to extinction.

Stage 1 (0-104): Social struggle.

A total of 8 mice, 4 males and 4 females, were placed in such an ideal environment, and these 8 rats behaved almost the same as in nature, fighting for territory, attracting heterosexual mating and reproduction, forming a social status system.

Phase 2 (105-314): Rapid expansion.

These rats double in number every 55 days, and as the number increases, the gap in social status grows, and the dominant male rat gains more mating rights and therefore the largest number of offspring, while those male rats in a secondary position have little mating right and have almost no offspring.

At this stage, the rats will be more dense, with young rats accounting for the majority of the population, and although water and food are sufficient for each rat to survive, these rats will still be relatively concentrated in areas with more resources.

During this period of rapid expansion, there were 14 brooding collectives of mice, and the 14 collectives had a clear hierarchical order, the higher the class, the higher the range and frequency of activities, the more sufficient resources obtained, the faster the reproduction, and the whole group was full of vitality.

The third stage (315-559 days): the quantitative balance period.

When the experiment entered 315 days, the critical moment came, and at this stage, as the space became more and more crowded, the whole society began to distort, and the behavior of the rats began to become somewhat different, even very strange:

1. The rate of reproduction of rats inexplicably begins to decline, doubling in number every 145 days on average.

2. The social order of the whole rat colony is becoming increasingly chaotic, and the rat colony has become very aggressive. Some male rats that failed to compete could not move out of the flock, and could only gather in the middle of the field, stopping the competition for territory and mates, as more and more male rats gathered, they would eat and sleep every day, that is, groom their hair, and sometimes suddenly get angry, attacking the rats next to them, but there was no social communication with other mice. At the same time, some female rats that failed to compete also stopped mating, and they hid in some remote nests and corners.

3. The dominant male rat is less able to defend his territory, while the female rat is becoming more aggressive, and they will defend their territory like a male rat to drive away intruders.

4. There is confusion about the natural sexes, homosexual behavior between male rats, and adult male rats trying to ride on those young mice to mate.

The fertility rate of female mice decreases, and they will even absorb their own fertilized eggs, so that they do not reproduce.

5. Young mice are driven out of the nest by the mother prematurely, live independently, and social ties are weakened. Female rats tend to choose a young male rat as a mate to breed the next generation. Adult rats also eat mice.

Stage 4 (560-1588): Period of extinction.

On the 560th day, the rat population peaked at 2,200 individuals, and the young pregnant mice never reappeared, and the rat colony entered the extinction period. The last pregnancy was on day 920, but no new members were born.

At this point:

1. All the mice began to stop all social behaviors, the male mice slowly stopped all violence and courtship behavior, the female mice stopped reproductive behavior, and the territorial conflict became less and less, and their daily behavior was only eating, sleeping, and "grooming" themselves.

2. Male rats with their own territory began to stop childbearing, in addition to eating, sleeping, and combing their hair every day, they never left their territory, because the hair on their bodies was combed very well, these "beautiful" male rats were very popular, but they did not have the urge to have sex with female mice, and they did not know how to fight to defend their territory, their eyes still looked bright, and their bodies were very healthy, but unfortunately their brains had degenerated to the point that they could not cope with any special circumstances.

3. When the researchers put some of the males in a new environment with a low density, they did not regain their instincts, and even if they were put together with normal females, they did not have any desire to mate.

On day 1588, the experiment ended, leaving only 27 infertile elderly mice (23 females and 4 males) in the entire population.

End of story.

"It's so complicated, why can't I understand it?" Aragaki Yui blinked.

Ivanka was also confused.

Wang Zian asked Aragaki Yui: "Don't you have any gains?"

After hesitating for a moment, Aragaki Yui said, "I don't know, I'm full of copulation ...... right now"

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