In other lakes, there are also seeds that germinate one after another, but some seeds are quickly corroded by the acid water, but some of the seeds, with thicker leaves and deeper roots, resist the acid water.

Aquatic plants compete for nutrients in the lake, but the aquatic plants are too dense for the nutrients in the lake to be insufficient, and there is only another way to grow taller and stronger. Suddenly, under the action of the current, the leaves of an aquatic plant became entangled in the stem of a nearby aquatic plant.

This kind of entanglement is not uncommon under the water, and it happens at any time, but this time, the situation suddenly changed, and the entangled aquatic grass leaves strangled their own kind, and the tighter and tighter they were entangled, and with a soft click, the other party was strangled.

The water weeds that succeeded in rolling the leaves of their own kind and returned to themselves, silently, actually absorbing the leaves of their own kind into their own bodies - it was actually attacking! Digest your own kind!

Cannibalism!

Soon, a new evolution occurred at the bottom of the lake, the aquatic plants devoured each other, and the successful aquatic plants grew thicker and stronger, while the defeated aquatic plants could not survive at all and died directly.

Soon, a large area was vacated around those large aquatic plants, and the weak aquatic plants that were close to them were all killed and devoured by them, and the distance between each large aquatic grass was too far for them to grow further even if they wanted to attack each other.

However, this qiē does not end there.

As the large aquatic plants grow tall and strong, they are closer to the surface of the water, and they can absorb more sunlight, as well as the dust falling from the water's surface, the aquatic plants continue to grow, and finally the leaves of one aquatic plant emerge from the surface of the water and come into direct contact with the air. The various new elements contained in the air have greatly stimulated the evolution of aquatic plants.

New aquatic plants grew one after another, and suddenly, a super strong cold air mass blew through - the twin suns were far away from the planet - and the surface of the lake instantly froze.

The large and small lakes of the basin have become ice pads one by one.

The ice is very thick, and it is difficult for sunlight to penetrate the bottom of the lake, and those aquatic plants that do not stick their branches and leaves out of the lake lose their sunlight and slowly die, and their branches and leaves are scattered to the bottom of the lake and absorbed by those aquatic plants that poke out of the lake.

When the sun approached again, the large aquatic plants that poked out of the lake were left in the lake, and they grew thicker and stronger, and at the same time, large and small tentacles grew.

Suddenly, the roots of a large aquatic plant squirmed, and actually moved at the bottom of the lake, although slowly, but without stopping, and finally leaned on the edge of a large aquatic weed, entangled with each other, and the two sides tore fiercely under the surface of the lake, but in the end, the big aquatic grass that could move was stronger, tearing each other into pieces and absorbing them all. A new round of killings began.

At this time, the large aquatic plants are no longer simple plants, they can move under the water, attack the opponent, and the killing of each other is more intense, in order to fight each other, their branches absorb a large amount of iron element, like an iron rod, knocking it with the sound of gold and iron. Serrated teeth grew on the leaves, sharper than a sword.

After another round of killing each other, in every lake, there was only one strongest, hardest, sharpest water weed, no, they should be called iron grass at this time.

The iron grass in the large and small lakes has evolved eyes from the top, a single eye on the leaves, with the rotation of the leaves, can look in any direction, they stared greedily at the iron grass in the nearby lakes, but because they could not cross the hot and cold open space between the lakes, they could not eat each other.

You can't sit still! With the passage of time, the lake that has been empty has long been deprived of food, and can only barely survive on the sun, so the iron grass has evolved again! The well-developed root system retracted, detached from the iron-like bottom of the lake, deformed, and turned into multiple limbs and legs, and crawled towards the shore. At this time, the irongrass becomes an amphibian - they can briefly break away from the water and walk on the ground.

The amphibious iron grass that crawled out of the lake pounced on the opponents in the opposite lake, and some of the amphibious iron grass died on the journey, and the ground was so hot under the light of the double sun that they could not go far before they were directly scorched. But there were also thicker amphibious irongrasses that stubbornly crossed the hellish ground for them, and rushed into the opponent's lake, and as soon as they absorbed the water, the invading amphibious irongrass immediately regained its vitality and pounced on the opponent.

This is another round of killing, the amphibious iron grass can be described as a tragic victory, many fell to the ground, and some rushed into the lake, only to find that the lake is more acidic than the lake where they originally lived, and it was directly corroded, but the final victor is still the fastest and most tenacious amphibian iron grass.

When all the lakes in the basin had fallen, there was only one branch left, the most powerful and fastest-evolving amphibious irongrass - no, it should not be called grass at this time, it was as thick as a tree, its roots were developed countless legs, its branches and leaves were swords, and there were even blades that could be thrown from afar, which were arrows. It can even spew highly acidic water extracted from lakes, which is more terrible than concentrated sulfuric acid.

After multiple evolutions, grass has become a tree, an iron tree!

The tree looks at the peaks of the high basin, there is no food left in the lake, it needs to evolve higher up the food chain!

The roots of the Iron Tree moved, and it decided to go out of the lake and come to the surface completely, and it had completed its evolution in the water system and landed on land.

On Earth, it took hundreds of millions of years for aquatic plants to land and evolve, and in this strange world, it only took two months to evolve from the first seed to the land-walking iron tree!

Fast! Incredible evolution!

It's incredible! God knows how far this creature will evolve when it gives time.

The Iron Tree slowly crawled out of the lake, its multiple deformed roots supporting it on the hot and cold ground like powerful legs.

The Iron Tree strides forward, wanting to reach the summit, leave the basin, and go to the wider world, eat more other creatures, and pursue more evolution.

Ah, the legs of the iron tree's root system stepped on something, this thing, not like ordinary iron sand, the tentacles of the iron tree turned to the ground, and there was an eye on the tentacles, carefully examining the foreign object they were stepping on.

It seemed to be a bone, some kind of bone that was different from the roots and branches of the iron tree. Its color was not like anything that the Iron Tree had seen before, it was not a black and dull iron, but white, silvery-white. It's just that I can't see it because it was covered with iron sand just now.

Tie Shu intuitively thought that eating this bone by himself should have some benefit. So it stretched out its branches and leaves, chopping and chopping, trying to cut off the silver bone and devour and digest it, but there was a clang, and the silver-white bone did not move. Bones, harder than iron!