4.6 Billion Year Symphony of Evolution

Chapter 1 The Isolated World

Leviathan was flying up the cliff. The closer it got to the top of the canyon, the louder the little flying dragon barked, and the frequency was very fast. Lin could feel it, as if... it was very happy? It may be because it is too young to judge whether Leviathan is a predator, but it can still know that it will be approaching its lair.

Sure enough, the flying dragon's lair is above the canyon, but what kind of place is it?

Leviathan had already flown about 2,000 meters, and flew out from the depths of the dark canyon, but the place was filled with fog, and the little flying dragon kept shouting in a south direction.

Leviathan flew towards the south, the further south he went, the thicker the fog became thinner...

Until the fog completely dissipates...

"Gah!"

With a cry from the little flying dragon, a world unfolded before Leviathan's eyes!

This is a vast place, the land here is covered by a piece of low green plants, occasionally a tall tree will appear in this green space, in the distance of the green space is a jungle environment, further away Lin can still I saw a towering mountain, and black smoke was still rising from the top of the mountain.

This is a perfect environment, completely different from the wasteland Lin had seen before. There were only bones and death in that area, but those terrible plague fungi seemed to be blocked by the huge rift valley with a width of ten kilometers, and did not affect it at all. The life in the rift... Although I don't know why the fungus can't float over, it's really a wonderful feeling.

Leviathan slowly landed on the ground, which was covered by a large number of short green plants. These plants are not mosses, but a new kind of plant. It seems to be the evolution of moss. They grow straight leaves and have deeply buried roots, so they are called 'grass'.

The animals here make Lin feel even more wonderful.

At this time, a large group of small reptiles with a height of about one meter ran past in front of Leviathan. These creatures moved with two legs, but their speed was quite fast. They quickly rushed to the side of a lake in the grass, looking for food by the water.

Beside this tree, other kinds of reptiles were also active. There was an obese creature with a body length of about two meters drinking water by the water, and some reptiles with flat heads that Lin had seen in the canyon before.

There are quite a lot of creatures gathered by the water, and they are generally no more than two meters long. Lin once made evolutionary predictions for various small reptiles in the Twisted Forest, and these creatures are in line with Lin's prediction results.

Reptiles get bigger.

Moving away from their once tiny size, some of them may have begun to stand on their hind legs, much as reptiles slowly began to evolve.

But after seeing one of them, Lin thinks otherwise.

A huge creature walked to the lake with heavy steps. It stood on thick limbs, and its tail and neck were particularly long. When its head was raised, it was more than six meters high, and its body length reached twelve meters. The creature stretched its neck and roared to the sky, as if announcing its territory.

Lin found that this type of creature could be called "dragon" in her mind, and this kind of creature could not be evolved from small reptiles that had just escaped from large arthropods. They have to go through at least an extremely long period of evolution.

Of course, there is another possibility, if it is a division of labor creature. The evolution rate will be much faster, but these creatures... are obviously not division-of-work species, but reptiles that have undergone a very long evolutionary time.

There may be some reason why they evolved earlier than reptiles in other areas. It may be that there were no giant arthropods here, or because of some reason, the giant arthropods here declined one step earlier, giving reptiles the opportunity and time to evolve. .

This land is separated by a huge rift, and outside is the bone desert destroyed by fungi, and here is the world of large reptiles. The flying dragon that Lin saw before should also fly out from here.

As for the little flying dragon, it should have been brought to the canyon by the big flying dragon.

This feeling is really fun. Looking at the huge reptile by the lake, Lin decided to name it - 'Dragon Dragon', because its head is relatively round.

In fact, it was the original name in her thoughts, and Lin just called it that way.

Judging from these creatures, it seems that reptiles can grow bigger than arthropods. If you don’t count specialized creatures like deep sand buses or ground crackers, the largest wild large arthropods on land are lava spiders, but round The top dragon surpassed the size of the lava spider. Although the lava spider has a large foot span, its body is actually small. The mist worm should be bigger, but the worm is not an arthropod.

The most important thing is that no matter what the reason is, the evolution time of the reptiles here is definitely not as long as that of the arthropods, and the dome dragon should not be the largest creature.

Sure enough, does the vertebrate class have the potential to be 'giant'?

When Lin thought of this, the water surface beside the round-topped dragon suddenly surged, and a big mouth rushed out of it, and rushed straight to the round-topped dragon who was drinking.

This big mouth, I remember that it was the one that ate the flying dragon in the canyon. In this bright environment, Lin noticed that this is not an ordinary animal. The cortex structure of this 'mouth' is more It looks like the two leaves of a plant are joined together, and there are spikes in the middle.

Of course, it is also possible that animals grow this kind of plant-like appearance, which is convenient for camouflage.

But when it rushed out of the water, the Dome Dragon retracted its neck in time, without biting its mouth, it continuously retreated and tried to return to the water, but at this time the Dome Dragon took a step forward faster, standing only on its hind legs, and raised its forelimbs high lift up.

'boom! '

The thick forelimbs of the Dome Dragon stepped heavily on the mouth, only to hear a crackling sound, and a large amount of dark red liquid burst out from the mouth that was crushed.

It feels like blood. The Dome Dragon stepped on it and walked away. It seems that it doesn't eat this. Lin thinks maybe it should be studied...

Leviathan floated up from the grass and flew towards the lake. The little flying dragon was still screaming at this moment, but Lin ignored it. After Leviathan approached that strange 'mouth', it immediately started Stretch out the tentacles, ready to disassemble and study it...

In the blood of the mouth, Lin found that the structure of this creature was very strange, like a carnivorous plant that Lin had seen before - death spikes.

'Snapped. '

Suddenly, a stone hit Leviathan's carapace. (to be continued...)

Chapter 263/4885
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