The name Atwood means man of the woods. But in fact. Of the three planets in the Atwood system, there is a large vegetation on the fourth star of the entire constellation, Manda. {Fastest text.}

The word Manda means tree trunk in Germanic language, and in a certain sense corresponds to a strange vegetation unique to the planet Manda, the stone tree.

In essence, the stone tree is not so much a tree as a combination of a biological race, and it does not have the basic structure that trees on earth have, but because it is similar to trees in shape and hard as rock, it is named a stone tree. As for the real genus xìng, it is closer to polyps and algae, and has the vital signs of both organisms.

Algae belong to plants, while polyps belong to animals. From the microscopic perspective of life on earth, it is a miracle in the history of biological evolution that stone trees have the characteristics of both animals and plants, but from the macroscopic perspective of life in the universe, life like stone trees between animals and plants is not uncommon.

Tracing back to the origin of living things, all living things began to develop and grow from bacteria such as single-celled organisms. Therefore, it is actually difficult to distinguish between what belongs to animals and what belongs to plants within the scope of microorganisms. The reason why life on Earth was able to completely distinguish the two was precisely because of the emergence of algae, whose appearance and the use of chlorophyll were considered a breakthrough in the transition from marine to terrestrial organisms.

As the cradle of life, the planet Manda was the same as the earth in the early days of its birth, more than 70% of the planet's surface was covered by water, and the large number of mineral elements contained in the water gave birth to life, so that a large number of single-celled organisms began to multiply and grow, and had the grandeur of the early stage of life.

Over the next few billion years, the planet began to undergo a series of slow crustal changes, with more and more land masses beginning to emerge, separating the oceans that had been clustered together and creating a significant number of inland seas. This process of change is an important opportunity to promote the evolution of marine organisms to terrestrial organisms.

Stone trees, a unique life with both animal and plant signs, also prospered from this opportunity.

Like the polyps that form coral trees, it is a small microorganism with a very short life cycle and very pronounced coelenterate signs. However, unlike the polyps on Earth, stone trees have completely escaped the living environment of the ocean and developed chlorophyll, a characteristic of plants, in order to adapt to the terrestrial environment. Relying on chlorophyll, the stone tree absorbs carbon dioxide from the air, while its coelenterate signs absorb calcium from the earth's surface soil. As they grow and reproduce, they secrete large amounts of limestone, which, when solidified, acts as a shell to protect the nascent trees and rises over time.

In order to allow their offspring to grow in a higher and sunnier place, and compete for greater living space.

In addition, because there are no roots that are deeply embedded in the soil like trees, in order to stabilize their lower layer, stone trees often excrete a part of the metal elements that they cannot absorb and utilize through chemical synthesis while devouring the minerals of the soil layer, and this part of the oil-like liquid metal compounds that become after chemical synthesis will slowly flow down the branches of the stone tree, and finally form a series of criss-crossing "roots" after solidification, like building a foundation for the huge stone tree like a mountain.

In addition, since the stone tree evolved from marine organisms, its biological reproduction was not completely separated from the important element of water. Using its hollow structure, the stone tree absorbs the water in the low-lying areas of the earth and the rainfall in the air, and stores this water inside it as a warm chuáng for reproduction. So, if you look down from the sky, you can see that the stone tree looks like a huge water tower, and its top is damp and covered with a large amount of green sè in the growing stage. The cylindrical trunk of the whole body is grayish-white like a hollow water pipe, and it contains a large amount of water. As for its base, it is covered with a large number of metallic compounds, which take on a blackish-brown sè and criss-cross a large area like countless rhizomes layered on top of each other.

Due to these unique features of the stone tree, there are hardly any real mountains to be seen on the planet Manda. Because if a single spores of Lychophyllum land at the bottom of a mountain, it can "eat" and "eat" the mountain after thousands of years. In addition to the absence of mountains, there are no inland lakes on the planet Manda, which is also because the stone trees have to "eat, and they also have to eat" water in addition to the mountains. Therefore, some experts have predicted that in billions of years, the entire planet Manda will be covered by a huge forest of stone trees like mountains, and even the entire ocean will be swallowed by them. They will also replace the oceans and wet depressions as the new life forms of the planet Manda, giving birth to countless unique life.

Since the Stone Tree is so important to the ecology of the planet Manda, as the owner of this planet, Dick. Baron Williams, a fighter specialist, naturally built his home and base on a stone tree. He built a huge city on the top floor of a stone tree as if he were building a hanging garden, and some of the industrial workshops were built at the bottom of the stone tree.

While making perfect use of the good ecological environment on the top layer of the stone tree, it can also make reasonable use of a large number of metal compounds as the foundation of the stone tree, so that he does not have to worry about the heavy work of mining and mining, and can directly complete his industrial needs by collecting metal compounds for further smelting.

And, because these metal compounds are naturally formed, the secrets contained in them are also worthy of Dick. Baron Williams digs further. Through the analysis of several naturally occurring metal compounds, a number of experts engaged in metal smelting have been inspired to study several special alloys with special energy, and this breakthrough in materials has played a huge role in promoting the research work of Baron Williams on fighter planes. In addition to metal materials, some scholars have also made new discoveries after analyzing the composition of fluids in Shishu, which makes fluids begin to replace copper and other metals as new materials in circuits and integrated systems, which greatly promotes the great leap forward in the field of science and technology in the Hoffmann Empire.

Analyzing the above factors, it is self-evident that the planet Manda is important to the Atwood system, and even has an irreplaceable important role in the scientific and technological development of the entire empire. And Dick.

It is precisely because of this planet that Baron Williams has a pivotal position in the academic and technological worlds, and even some academic nobles with higher titles and academic achievements than him have maintained respect for him. Among the three barons who share the Atwood system, Dick. Baron Williams undoubtedly occupies the top spot.

However, in this mutant counterattack, Baron Williams's planet Manda was the first to fall.

Nine of the cities in the sky that Baron Williams built on the thirteen largest stone trees on the planet Manda have completely fallen to the territory of the mutant rebels.

After taking possession of these nine cities in the sky, a large amount of materials hoarded in these nine cities, as well as matching ground industrial facilities, fell into the hands of the mutant rebels. This makes the mutant rebels' equipment far more elite than the Gotha planetary rebels, but because they have never been able to defeat the ace air force under the command of Baron Clyde Tang in space battles and air battles in the atmosphere, they have been unable to step out of the Atwood system to support the Gotha planetary rebels who lack equipment and space power. But even so, the mutant rebels in the Atwood system still have a very advantageous advantage.

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