Another two days passed.

It has been more than ten days since the ground line left the swamp.

Although the weather is gradually getting colder, if it weren't for the Feathered Wyvern, Pterodactyl, and Lepidopterand all finding more food resources nearby, the earth would not choose to stop in this place.

He carefully compared the terrain that the Wyverns had explored with the extended core, and he had drawn a relatively rough map.

With the previous swamp as the center of the map, the swamp is surrounded by a moist plain, but the places that are closer to the swamp are relatively barren.

The swamp itself was indeed a swampy wetland formed by the fall of a lake, but not far from the swamp was a large river.

To the northwest and northeast of the swamp are relatively flat and barren areas of desertification.

Although it was not completely empty, the ground line almost failed to cross over.

On the desert to the east of the swamp, there is an oasis formed by the staggered stone forest, where many kobolds live, and those kobolds in the swamp are likely to migrate from this stone forest.

However, due to the proximity to the races that are suspected to be necromancy, there are very few living creatures here.

The earth walk is a little worried about whether the fossils in the underground will be taken away by the undead.

No, his thoughts are more affirmative.

Otherwise, how could there be dinosaur fossils in only such a small area, and no other locations could be found?

Fossils follow themselves through time?

This answer can only be said to be grudgingly accepted.

Now, though, he doesn't think about it.

Directly east of the swamp is a continuous mountain range.

The ground industry believes that the huge rock formation on which the swamp itself is located is part of this mountain range.

It's just that, for some reason, only the swamp is concave.

However, he didn't bother too much, even if it wasn't caused by supernatural forces, the undulation of the mountains itself was not a strange thing.

He asked the Anti-Crow to fly over the mountains with the Extended Core in his arms, and the Anti-Crow confirmed his previous suspicions.

To the south of the mountain range, there is a body of water directly adjacent to this mountain range.

The water in the swamp seems to come from that side.

I don't know what kind of big river it is.

He can't fly himself yet, so he can't confirm it himself.

To the north and east of his current location, when he ordered the Bird Wyvern to explore, he found some unnatural creations.

Although it is not known what race built the artificial structure, but if you can see humans here, there is no doubt that this place may not be too far from the gathering place of this species.

He tried to trace the footprints and road tracks, and was roughly sure that the humans were coming from the east.

The gathering place of human beings, perhaps, is in the eastern direction.

So, to the north, maybe it's still a gathering place for elves?

It seems that the flight structure needs to be perfected as soon as possible.

Wyverns explore with an extended core, and although they can safely provide vision, they have a small field of vision.

Sometimes, if he can fly himself, he can fly on the spot and look directly from the sky with his eyes, and many problems can be directly confirmed.

However, soon, he had already spotted some creatures that were suspected to be able to use the "wind elemental".

It's that when the anti-crow flew over from a high altitude, it was suddenly affected by an unknown influence, and in his extended core feeling, it was a very "light" and highly fluid energy.

Speaking of the mountains, I don't know if it's because of the mountain barrier, or if those necromancers only appear in the south of the swamp, and there are no necromancers in this area.

That's one of the reasons he stopped.

There are also many living creatures on the mountain.

Still, he's more like looking for a human.

The reason is –

Humans should be able to provide a similar label of "forelimb liberation", right?

The name he named [Forelimb Liberation] does not only affect the forelimbs.

According to his observations, in addition to the palm position, there are also positions such as the spine and lumbar muscles.

[Forelimb liberation] is actually a relatively narrow term.

In his previous life, he also saw a lot of statements that he felt that the waist muscles of human beings were actually very weak, otherwise why would there always be low back pain or something.

However, relatively speaking, compared to the more closely related species of the same primate, the waist muscles of humans are actually quite developed.

Yes, he fell in love with the human waist, oh, the mouth is too big, the pronunciation is not quite right, it is the waist posture.

Oh, of course, talking about being trained to resemble humans in the wild.

People who often sit in the office and sit in front of the computer like Jixing did in his life are really weak.

This is still the case where the local line has to maintain a relatively basic level of exercise.

In fact, taking infants and young children as an example, the most intuitive is that the baby's waist-related muscles have not yet developed, and the bones have not yet grown, and the inability to stand is not only due to the legs.

Species such as kobolds, because of their large tails, can be used as a third support when standing, and as a balance aid when moving.

Evolution, the evolution of previous lives, among the many rules followed, one involving natural elimination, should be called the "Principle of Near-term Lesser Excellence"

For example, the evolution of primate ancestors, human ancestors, the tail can actually go in the direction of enlarging the tail, and it can also solve the problem.

However, in the process of evolution, it is often the options that consume the least resources and have the most surplus resources that survive.

To put it simply, just like a company, when it encounters problems, especially when facing resource problems, in the long run, increasing departments and enriching the structure can fight for a later development, with the least overall consumption and the highest efficiency ratio.

However, natural evolution is often the kind that chooses to lay off employees.

What? If it's useless for the time being, then give it up and keep it for long-term benefit? If you don't have enough resources, you'll die.

It's a little bit of a rat-eyed evaluation.

And if you have enough resources, you will stay, just like the initial specialization of dinosaur feathers, not for flight, but because of the surplus of resources, under the pressure of resources, these evolutionary branches with redundant structures can still survive.

The unspecialized feathers of the main dragons, like the fur of the beasts, are retained because they keep warm and increase the chances of survival for their owners.

The specialized feathers can be retained, most likely because they are "beautiful", because of the beauty of sexual selection, and they themselves may be more easily discovered by predators for the owner, which has a negative effect.

And then......

This redundant structure, under the evolution and screening of different directions such as hydrophilic, arboreal, and terrestrial, some specialized feathers have been screened out and become flight aids.

Humans did not retain their tails, and although the burden on the waist was reduced, they also lost another evolutionary path.

Why are arthropods so adaptable?

Dixing feels that there are two, one is that the resource consumption brought by the size is less, and the other is that there are enough appendages to allow them to have enough room for error.

Evolved one, one pair, or even two pairs of appendages that had little effect, and if they were retained, they would not be lethal if they had an impact on their actions.

So, although as you get older, too many appendages can add to the burden.

One of the speculations about why large carnivorous dinosaurs generally have small and short hands is because large carnivorous dinosaurs mainly bite with their mouths, and their forelimb claws play a small role, and when fighting, it is not even necessary to fight against foreign enemies, but because when they are playing with siblings in cubs, their forelimbs are easy to be bitten, and then lead to infection and other problems such as death.

It has little effect on its own and can be discarded, and the smaller it is, the less likely it is to be bitten.

Although the earth line does not know whether the degradation of the tail has been affected by this aspect in the process of human evolution, the earth line will definitely not choose to abandon the tail.

He's going to go the big way.

Therefore, most of the experimental dragon species under his command will retain their limbs as much as possible rather than degenerate, and this increased burden is also an experiment in itself.

Lepidoptera, is a good object to study.

In addition to Lepidoptera, he also asked the Pterodactyl to evolve with some [Forelimb Liberation] materials to see if there were any additional effects.

And it turns out......

Effective.

Earth's gaze fell on the pterosaur with its wide winged hands, and the structure of the winged hands became more and more like palms.