Greetings, Mister Principal: Reiner’s Theory of Evolution

Baptiste and Reiner left the classroom and came to the end of the corridor, where they could see the scenery outside the window.

Due to the end of the rainy season, the water level in Erasmus will not be replenished and will gradually decrease in nearly half a month. Most of the ground will be exposed. The soil that has been soaked in water for a long time will be exposed. A large amount of nutrients are deposited at this time, which is very fertile and is enough to support the growth of plants.

Baptiste glanced at Reiner.

"What do you want from me?"

"Mr. Baptiste, I found a piece of information in the library of the institute last night."

Reiner said, taking out a stack of paper from the storage bag.

This is a biological investigation of the demiplane of Erasmus, but it is not an existing creature, but a study based on various fossils.

That is, the investigation of creatures that no longer exist.

"What do you want to say?"

Baptiste took the information and flipped through a few pages at will.

"This is a fossil survey of paleontology. I saw an ancient species of rainforest falcon in it. This falcon is not much different from the conventional falcon, at least in terms of the structure of the fossil reaction."

Leiner explained that there are some excavation traces in the data, including the remains of the rainforest falcon's nest, bone fossils, and fossils obtained after being wrapped in soft soil.

"This is a fossil dating back more than 1,800 years ago. There is no difference between the rainforest falcons in the Erasmus demiplane and the falcons in the outside world. However, it can be clearly seen from the fossils dating back 1,200 years ago. I saw a lot of differences."

He turned over a page, and on the second page, there were several fossils of different shapes.

"According to investigation, the climate in the demiplane of Erasmus has not always been like this. One thousand and eight hundred years ago, it was an area with four distinct seasons like the main plane. Until one thousand years ago, High water levels occurred for the first time in a hundred years, so it can be inferred that the climate of Erasmus changed during this period."

According to the data, the fossils of rainforest falcons show different shapes. Some have larger wings than those of the same species, and some have changed claws, making them closer to swans and ducks. The fossils cannot reflect the changes in feathers and internal organs. , so it’s unclear whether these rainforest falcons have evolved glands that secrete oil.

“The shapes of these rainforest falcons are hugely different, and they did not completely evolve in one direction. But in the end, among the fossils dating back 800 years, only a type of rainforest falcon with more developed wings survived. This is not much different from the current Rainforest Falcon."

Baptiste did not speak. He glanced at the pictures above.

In addition to the Rainforest Falcon, Reiner also showed the fossils of several other animals. In the hundreds of years when the climate of the demiplane of Erasmus changed, these creatures have changed to varying degrees from their ancient appearances. changes, and they are all stages in which multiple forms coexist, and they are not evolving in the same direction as Baptiste said.

"Mr. Baptiste, I actually have some conjectures. I wonder if you are willing to listen."

Reiner put away the information and said to Baptiste.

"Let's talk, different opinions help us think."

Baptiste nodded slightly, but did not say anything about the information that Reiner had clearly used to refute himself.

"I believe that the process of biological evolution is not completed in one or two generations. This process will last for a long time."

Reiner said first. He observed Baptiste's expression and then spoke.

“The evolution of living things definitely does not happen for no reason. There must be reasons. But I feel that if we really have to wait for the environment to change before the living things adapt, this time is actually too late, just like Iraq. The climate in the demiplane of Razmas has changed from the original four distinct seasons to the current interlaced rainy and dry seasons, and the process only took one or two years."

You can find tree fossils from the past underground in Erasmus. It is easy to accurately determine the time of the climate change in Erasmus. It can be seen that the climate change in this demiplane was almost It was completed within five years. In this isolated demiplane, Reiner guessed that there must be artificial factors involved.

"So, I believe that changes in biological traits precede changes in the environment. According to genetic theory, blood factors are the main factors that determine traits. However, blood factors are not completely stable and may mutate. Mutated blood factors are bound to It will cause changes in external traits, so my guess is that the first step in evolution is the mutation of blood factors."

As Reiner spoke, he paid attention to the expression on Baptiste's face, but unfortunately, Baptiste had no obvious emotional fluctuations.

“This kind of mutation is not accidental, but common and continuous. Moreover, biological evolution is not based on individuals, but on populations. In fact, mutations occur all the time. Occurrences, but some are so small that they cannot be observed, but a sufficient amount will trigger qualitative changes. This is where quantitative changes cause qualitative changes."

After taking two steps, Reiner looked out the window at the colorful world.

"The accumulation of mutations will eventually affect the characteristics of organisms. It is conceivable that at a certain period of time, the rainforest falcon took on many different forms, including those with strong wings and flying higher in the sky, and those with development In addition to the webs that swim in the water and the species that prey on fish, these rainforest falcons with different tendencies live together in this demiplane, dividing different populations."

Reiner's narration seems to paint a picture of different birds flying in the sky, and the demiplane of Erasmus is in harmony, but no one knows that in the near future, earth-shaking things will happen here. great changes.

"The next step is the change of environment. The climate of the demiplane of Erasmus has changed suddenly~IndoMTL.com~At first, most of the rainforest falcons can continue to survive, but as the seasons change, Due to violent storms and scorching sun and drought, many types of rainforest falcons began to be unable to adapt to the environment and eventually died. These different populations of rainforest falcons began to gradually decrease. In the end, only one type, the ancestors of the rainforest falcons seen today, survived. , this process, I call it natural selection."

Natural selection is not limited to changes in the environment. The invasion of alien species and even human activities can lead to the extinction of species. Selection is like a sieve, retaining traits that are suitable for the environment and filtering out those that are not suitable. went.

"Of course, these surviving falcons cannot yet be called rainforest falcons. If they want to continue to adapt to the environment of the Erasmus demiplane in the next hundreds of years, they still need an important step. , that is to maintain the stability of blood factors. Unlike humans, animals can independently control the reproduction process. If they are not restrained, the remaining traits will easily be diluted and new species will not be formed."

Reiner thought about what the pure-blood faction was doing. In fact, to a certain extent, they were indeed maintaining the purity of their bloodline.

"So, there will be isolation between the new species and the old species, whether it is geographical isolation or reproductive isolation that cannot produce offspring. Only when the falcons of the Erasmus demiplane interact with other falcons When it is unable to produce the next generation, this species truly evolves into a new species, the Rainforest Falcon."

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