4.6 Billion Year Symphony of Evolution

'Boom!'Another sound of explosion, the crystal cones on the back of the tortoise that were nearly two meters long shot at Leviathan, and Leviathan used the emergency jet to escape the attack instantly, but did not hit The crystal cone in was inserted directly into the center of a tree behind Leviathan.

The tree was almost pierced, but there was no reaction, wouldn't the branches scream?

When Lin thought, the crystal cone tortoise was also moving at this time. It was slowly turning its body, because only two crystal cones on its carapace could be launched forward, and it was necessary to shoot other crystal cones. Turn around.

But when it turned, the huge body touched the tree that had been bitten. The trunk, which was not thick, was swayed to the side under the great strength of the tortoise, and its root system was also broken one by one. Then, the whole tree fell to the ground, and the crystal bark of the whole body was smashed together with the branches.

"what--!!!"

At this moment, a screaming sound instantly rang through the entire crystalline woodland!The sound was extremely sharp, and it caused great stimulation to Leviathan's auditory tentacles. The tortoise seemed to be unable to stand the sound. It stopped turning and screamed at the fallen tree.

The screaming tree and the tortoise seemed to roar. The tortoise tried to press the tree with his own voice, but the screaming grew louder. It seemed that the tortoise could not withstand the stimulation of the eardrum. In the next battle, he flicked his head and fled here quickly.

Leviathan shot a small sticky bullet to the tortoise as a mark, and then floated to the fallen tree.

This sound is really quite a "thorn". It has caused considerable damage to Leviathan's auditory tentacles. After a few hundred seconds, it finally stopped. This sound does not seem to come from the tree. Yes, but ... underground.

Where the tree broke, Lin found some silk threads, which were connected to the trunk and then extended to the branches ...

Lin felt that the tree branch was some kind of trigger structure, and it would scream when touched.

Leviathan reached out his tentacles and dug up the roots of the tree. Lynn found that the roots of the tree were not completely covered by crystals and seemed to be very long, but the structure was relatively fragile, so the tortoise could easily break the tree just now. .

After digging for a while, Lin dug out a strange shape ... something, all the silk threads are connected to this thing, it is like a shell of ammonite, the outer layer is covered with crystals, Leviathan reaches out his tentacles Exploring into the shell, while Lin also saw some liquid flowing in the shell, and then injected some miniature arms into it.

After a period of research, Lynn found ... this thing is an organ.

Its role is mainly to ... make a sound, just like the screaming sound just now, it has a structure like a sound bladder, which can continuously vibrate to make a sound, as if the very cold feeling has nothing to do with it Looks like.

Why does this tree grow with this structure?Is it used for defense?It does n’t seem like that, when it was bitten by a tortoise, it made a very small sound, and only made a big noise when it was pushed down. This is useless. This thing is at the root under the tree trunk, so Lin I didn't find this strange structure before ...

Regardless of its use, the main thing is that Lin also found that the biggest feature of this thing is that it can 'record' a sound. After receiving a sound, it will be released again exactly as it was, and it may be retained for a long time. Multiple voices ...

The silk thread used to be a receptor. If the silk thread is stimulated, it will be transmitted to this organ immediately, and it will emit these sounds. Because the receptor is only at the end of the silk thread, the sound will only be emitted when the branch is injured. This reaction mechanism is somewhat Like a plant called 'Mimosa', in this case, maybe ...

Leviathan used the tentacles of the discharge to mimic the signal of the silk thread and gently shocked this organ.

"Ah-!!!" The previous scream suddenly sounded. Lin didn't know what this creature called, but it should be able to change to another voice.

Lyn made a few calls again, as expected, the tree made other sounds ...

"Gah!" "Wow!" "Woo!" "Oh oh!" Various voices came out of this organ, including even the roar of the crystal cone tortoise, and some others Lynn heard the cries of creatures, but most of them did not recognize them. This organ has the ability to distinguish sounds. It only records the cries of creatures, not footsteps or wind.

In the cry of these creatures, Lin heard one: "Help ...".

This is the vocabulary of the headworm. Lin once taught Susumi. Sure enough Susumi had been here, and it was still asking for help?

Unfortunately, I don't know how long it was before. Leviathan recharged a few times and found that there are about a dozen kinds of sounds. Only one of them is Susumi.

Maybe other trees also recorded this sound?Thinking, Leviathan put down this organ and flew to other nearby trees. He didn't need to overthrow them to hear their voices. He just had to put his tentacles into the mud and drilled into the roots of the tree to find this organ and shock it.

This tree also found Susumi's voice, which is the same as the previous one, "Help."

Then Lin continued to try a lot of trees. When she was far away, Lin heard different Susumi's words, like: "Hungry, food" "Cold ..." "Lin ..." "Lost ..." "Water ..." Wait.

The farther away, Susumi's voice became weaker, but it seemed that it was not attacked, and the sounds recorded in the deep trees became less and less, and only Susumi's voice remained. .

Leviathan traced a distance of one kilometer in the crystalline woodland, feeling Susumi's movement was very slow, Lin speculated that it was spinning around in many places day and night, Lin once taught it, in this case, It should stop and wait for rescue. It didn't seem to follow suit, but it ran everywhere, but didn't go back and leave the jungle, but went deeper and deeper.

Susumi finally became weaker and weaker in the end, and he could feel from the recorded voice that death was approaching it. There was no water and no food here. The Emerald Dragon didn't know how long he could live?

Leviathan has walked for almost two kilometers, and the sound heard from the tree has almost disappeared. Maybe it will eventually be ...

"Lin ..."

Suddenly, Lin heard a subtle voice.

This sound did not come from the tree, but came from nearby!