In the "Alien No. 1 River System", the true civilizations found in the sea of clouds are seven.

Seven civilizations, four technological civilizations, and three heterogeneous civilizations.

There is nothing good about the four scientific and technological civilizations, the lowest level is almost equivalent to the primitive society period of the "earth", and the highest level is only a little more advanced than the former "earth civilization".

Among the three heterogeneous civilizations, the "silicon-based civilization" is the one that really interests Yunhai.

On that planet, there are various forms of "silicon-based organisms".

From a simple bug to more complex and advanced beasts, all kinds of "silicon-based creatures" fill the entire planet.

If it weren't for the determination of their form, the sea of clouds might have thought that they were just "cyborg creatures" created by some advanced civilization.

After all, there was a civilization like the "Sarnagar tribe" first, and it was not uncommon to see too many "cyborg creatures" in the sea of clouds.

Eventually, Yunhai determined whether they were "silicon-based creatures" rather than "cyborg creatures", or their life characteristics.

Without the flesh and blood tissue that creatures in Yunhai's cognition should have, these "silicon-based creatures" are completely metallic forms.

Metal bugs wriggling on the ground devouring the metal-rich dirt, metal birds flying in the air with thin metal wings, and metal behemoths rampaging across the plains.

Without exception, their bodies are made of metal.

It's like robots made by technological civilization, but they have a unique vitality, and they are not just controlled by cold programs like robots.

Figuring out what they were, Yunhai, who was interested, deliberately stayed on that planet for a while longer, but wanted to figure out more details about these "silicon-based lifeforms".

Garneau is not wrong about saying that there are many ways for "silicon-based organisms" to obtain energy.

Take this planet as an example, different "silicon-based organisms" have already formed a complete biological chain.

The most abundant species of bugs are similar to those found on Earth, only much larger.

On their body surface, there are some metallic bristles.

In the spiritual senses of the sea of clouds, the creatures he named "King Kong caterpillars", they grew up by devouring dirt rich in metallic substances.

But dirt is not their source of energy, it absorbs the energy that is free from the air through the bristles on the surface of the body.

And this energy is permeated in the atmosphere of this planet.

As for the source of this energy, the sea of clouds is determined to originate from the planet's special atmosphere.

If it hadn't actually landed on this geo-rocky planet, Yunhai might have thought it was just a gaseous planet if it was observed from a distance.

Thick atmospheric clouds completely enveloped the planet.

At the beginning, the sea of clouds also felt the breath of life when it passed by, so it curiously broke through the thick atmospheric clouds and found this special planet.

The "Vajra Caterpillar" is the lowest creature of this civilization, they are about the size of a human thumb when they are born, but they can quickly grow to the thickness of a human arm by absorbing energy from the atmosphere and devouring soil in just one day.

The largest "King Kong caterpillar" is about five or six meters long and more than one meter in diameter.

A large number of "King Kong caterpillars" with amazing fecundity have become the lowest creatures on this planet.

Big fish eat small fish, small fish eat shrimp, and this cruel law also applies to this planet.

Other "silicon-based organisms" eat "Vajra caterpillars", and they fall into the food of other "silicon-based organisms".

In the observation of the sea of clouds, "eating" is not necessary.

More often than not, different "silicon-based organisms" tear their prey to pieces, and all they devour is a "core substance".

This "core matter" may be a chip-like tissue, or a peculiar condensed ball of energy, and sometimes they are even just hunting, but they don't eat anything.

Obviously, the free energy in the atmosphere is their main "food".

In the search of the sea of clouds, he found several ideal "silicon-based creatures".

In fact, there is no such thing as an absolute hegemonic "silicon-based creature" on this planet.

The largest "Iron Dragon" can easily kill most of the creatures on the planet, but it will be killed by the "Iron Flea Worm" at the bottom of the biological chain, and the "Golden-winged Beast" that is inconspicuous in the eyes of the "Iron Dragon" can easily kill more "Iron Flea Worm".

Obviously, after many years of evolution and evolution, a complete biological chain has been formed on this planet.

Staying, I don't know if it is to satisfy curiosity and observation, Yunhai naturally has a plan in his heart.

After following an "ironclad dragon" for a while, the sea of clouds fell in front of it.

Before the furious "Iron Dragon" that spewed electric light stepped down, the humanoid sea of clouds flew up and knocked it to the ground with a single punch.

However, the facts disappointed Yunhai, Gano was right, although the "alien face-hugging worm" can parasitize almost all living beings, but in the face of fundamentally different "silicon-based life", the "alien face-hugging worm" has no desire to parasitize at all, or it can't parasitize at all.

"It seems that if you want to have a few aliens like Optimus Prime, you can only transform them through the power of science and technology as Gano said, parasitism will not work."

With this thought in mind, Yunhai began to turn his attention to this planet.

Now he was certain that the energy fluctuations that had drawn him to this star system originated from this mysterious planet.

He wanted to figure out why the planet had a thick atmosphere of clouds, but there was an endless stream of energy in the atmosphere.

The spiritual senses enveloped the entire planet, and the sea of clouds saw a group of "Golden-winged Beasts" brutally tearing apart huge "King Kong Caterpillars" in the canyon, and he also saw that in a basin with extremely active energy fluctuations, more than a thousand "Iron Armored Dragons" were fighting fiercely.

The "line of sight" shifted from the surface of the planet to the core area of the planet, and the sea of clouds felt more abundant energy fluctuations.

At this time, he also discovered that under the planet, there are also various "silicon-based life" living in the underground.

He didn't pay any attention to this, and once he figured out that "silicon-based lifeforms" could not be parasitized by aliens, he lost interest in these strange "lifeforms".

What really interests the sea of clouds is the stronger the energy fluctuations the closer you get to the Earth's core.

It didn't take long for the spiritual power of the sea of clouds to penetrate the planet and reach the earth's core.

Thus, a peculiar sight appeared in his spiritual senses.

In the core of this planet, a huge and terrifying storm of energy kept spinning.

Even the powerful spiritual power of the sea of clouds could not penetrate this terrifying energy storm and reach the center of the energy storm's rotation.

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