Then, Tang Zheng discovered that these cells had flagella and began to run around in the ocean.

But not without purpose.

They move around in order to find more of their compatriots, and then gather together.

form a group of cells.

It's like grapes overgrown on a vine.

A fully assembled cell population is a hundred times the size of the original cells.

At this time, look at the 'flat worms' that pass by from time to time, that is, prokaryotic cells.

It's already the size of a grain of rice.

Next, is the combination of cell populations and cell populations.

Tang Zheng's pace quickened.

Finally, after traveling a few kilometers, I saw the first multicellular life form in biological history.

sponge animal.

When the cells gather to a certain extent, they begin to divide labor one after another and form a big 'family'.

This is how sponges were born, which look like coral-like tubes.

But they have more evolved capabilities than single-celled organisms.

They have the ability to eat.

You can grow faster by eating.

The staple food is the prokaryotic cells in the ocean currents.

Typically I eat myself.

Moreover, sea animals have also learned to use the light source on the water.

The chloroplast has evolved, and it contains a large amount of chlorophyll, which is also an important ability for photosynthesis.

Tang Zheng's eyes lingered in the ocean, amazed by the speciality of these originating creatures.

The evolution of these creatures has never made any sense. They began to aggregate out of thin air, began to eat out of thin air, and produced chloroplasts out of thin air.

As if to adapt to the environment, so it will.

This is the most surprising.

It was also at this moment that this long-standing cell family began to divide.

From living things, split into animals and plants.

The multicellular organisms that are delicious and lazy, eventually slowly evolved into ancient plants.

The hyperactive cellular organisms evolved in the direction of animals.

In the beginning, plants and animals were homologous, both had no spine, and even had almost the same shape.

As they slowly adapt to their environment, immobile plants spawn roots, stems, and leaves to complete their reproduction.

And the animals that swim around have evolved tails and fins in order to be able to eat better.

But both plants and animals realized a problem at this time.

Relying on asexual division to reproduce, the group will never be able to progress.

Their civilization at that stage could not be improved either.

Each division and reproduction is an individual splitting into two smaller individuals.

After the two individuals have matured, the classification is performed again.

Repeatedly, the individual will only grow to a certain size and then begin to shrink.

As a result, creatures began to evolve both sexes.

Through bisexual reproduction, the individual's own volume is not destroyed, but it has more of its kind.

"Reproduction, whether it is asexual division or bisexual reproduction, is a big step in biological progress." Tang Zheng said softly after observing the mating of these oldest species.

Reproduction is what all living things do, but sexual reproduction was originally just a branch of the way individuals split, and it was a last resort choice made by living things to preserve this species.

As for 'why should this species be preserved', where did this idea come from, the ancient cells didn't even have consciousness, how did they know to preserve their own species for better evolution.

This is also a mystery that human beings have not been able to solve so far, and it is the second argument of the three ultimate philosophies of human beings.

"Going forward, the fish is born." Tang Zheng began to speed up again.

He followed the corridor of civilization and witnessed the birth of life.

Next, he is about to end his life.

Chapter 159 This Moment Plays God

Along the way, Tang Zheng saw the successful evolution of fish.

As the weather warms, the sea level lowers and the bare surface emerges.

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