Convergent Evolution Vs Divergent Evolution: Shared Traits Explained
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- Опубліковано 9 чер 2024
- Pointed ears, blue skin, abnormal head, or reptilian jaws: there are a thousand ways in which science fiction literature, movies, and alleged eyewitness accounts have depicted Aliens visiting Earth. So different in height, shape, and somatic features, but still with one thing in common: a vaguely human appearance.
But if in the entertainment world, it is easier and cheaper to make up actors as humanoid E.T.'s rather than as shapeless blobs or tentacled octopuses--in the scientific debate the criteria are evidently different.
Yet there is no consensus among researchers as to what these possible neighbors from the next galaxy should look like: assuming and not assuming they exist, are they similar enough to us or so different that our minds cannot even imagine them?
Try to follow along and we will try to find out together. OK?
Some argue that it is futile to speculate on the nature of alien life; our imaginations would be too constrained by our own experience to be able to embrace the amazing heterogeneity and unusual possibilities perhaps realized in other worlds.
The Divergent Evolution: Do Aliens Have To Look Like Us?
One of the main lines of thought in contemporary astrobiology is that extraterrestrial intelligent life will be very similar to us in many ways, especially when higher levels of organization are considered. This is because the processes that give rise to life are assumed to operate independently of the environment, and also because physics severely limits the variety of feasible options. Therefore, the probability that intelligent life is evolving elsewhere in the cosmos may be very high, although the probability that it is humanoid in type may be very low. The truth is that we know very little. For example, we do not know if Earth was the lucky winner of a cosmic lottery or if life has appeared elsewhere in the universe. We do not even know if a hypothetical ET would follow the same laws that we know on the only planet that definitely supports life. There is little doubt that physical and chemical laws apply throughout the universe, but there is not the same certainty about biological laws. Frankly, if we were to encounter life on another planet, we might not even be able to recognize it. In short, our first contact with advanced aliens might be a blow to our self-esteem as we face, who knows, a more intelligent species than our own. But if that first contact ever happens, we should be prepared for another twist: the aliens may be so different from us that they won't even realize that we are sentient.
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Credits: Ron Miller, Mark A. Garlick / MarkGarlick.com ,Elon Musk/SpaceX/ Flickr
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00:00 Intro
00:02 The Convergetn Evolution
14:26 The Divergent Evolution
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#insanecuriosity #convergentevolution #divergentevolution - Наука та технологія
I don't get why so many scientists don't believe convergent evolution may make aliens like us in many ways, if so many species on earth from diverse origins still evolved to similar traits in similar environment.
simple, ARROGANCE. and lack of imagination
I remember being 5 and arguing with an adult on why was it so impossible for planets outside of our solar system to exist. his response was as cookie cutter as could be. He said, because we have been looking through telescopes for years and never even found one.
this was in the early 80's.
you see the mentality is I CANT SEE IT IT MUST NOT EXIST.
Similar origins, yes. Plants and animals look nothing like each other. They had billions of years to converge but never did.
@@haroldnowak2042
No no, animals or plants do not have to have similar origins or even share physical trates. Many animals that have nothing absolutely nothing with each other evolve to look almost identical.
@@ottosantiagolassus All animals are very closely related. All have mitochondria, no alien life could ever have that. Plants and animals are more closely related to each other than to any alien life, yet they don't look like each other. The closer you are related, the more you look like each other because convergent evolution relies on relatedness.
@haroldnowak2042
and you KNOW aliens do not have mitochondria or anything even close to anything produced on earth how exactly Sir.
The narrator sounds like he should be the host of a radio show covering the Top 40 countdown.
Keep your feet on the ground and keep reaching for the stars...!
Sure does brother 😂 !!! Listening for voice nuances, I believe our narrator is not an AI.
Yep. Sounds a lot like "Rumble in the Morning, " on WNOR FM 99
He's AI, not a real person.
If there are trillions of possibilities, there must be millions of possibilities that there are some exactly like us.
Very much true.
If the universe is infinite then all possibilities are probable.
Unfortunately the general consensus is that though unimaginably large the universe is in fact finite.
@terryhughes8277
then if that's the case, then aliens are not only probable, but 100% inevitable.
@@terryhughes8277How can this be known, we can only see the observable universe. We don't even have a complete picture of reality, wd can only see back to the Big bang, we this don't know what the greater structure of the Universe/multiverse is.
The law's of physics and genetics 🧬 are universal ♾️ so some alien 👾 life will resemble life 🧬 on Earth 🌎 and some won't,as for intelligence some will develop technilogical civilizations while others will be stone age Savage's.
The universe is eternal and huuuuuuuge! Theories , ideas , thoughts, imagination is all we have.
Convergent evolution fascinates me because it demonstrates how different species can independently evolve similar traits, like how the wings of birds and bats have evolved separately to serve the same function. On the other hand, divergent evolution, where related species evolve distinct traits, highlights the incredible diversity of life, like how Darwin's finches adapted different beak shapes for different food sources. It's amazing to think about how these evolutionary paths shape the biodiversity we see today, reflecting both the uniqueness and commonalities of life on Earth.
Everything eventually evolves into a crab.
Only if the species are not too different. Bats and birds are closely related separated by less than 400 millions years. Takes things separated by over 500 million years and convergent evolution disappears. Life on Earth and alien life would be separated by a lot more than that. Convergent evolution guided by what?
Its probably a function of "you are the product of your environment"
@@Monkeyboy196five Plants and animals evolved differently in the same environment.
Just look at how crabs keep evolving separately.
Even an octopus has bilateral symmetry.
Apparently, the octopus has no type of DNA that comes close to any other creature on this planet. So it is considered a alien.
I'd opt for convergence on a planet due to common genetic ancestry of life and divergence on planets in other solar systems due to an alien tree of life with its unique branches and twigs.
Simple life may be abundant in the galaxy, but complex life seems to be rare. The step from simple life to intelligence is enormous-indeed, just getting to complexity (a precursor to intelligence) seems to be a huge step. It took Earth more than two billion years to develop Eukaryotes from Prokaryotes, the ancestors of all complex life on Earth some 1,8 billion years ago. The elaboration of the brain of the hominids began less than 3 million years ago, and that of the cortex of Homo sapiens occurred only about 300,000 years ago. 90 years ago we started to send radio signals into space and 70 years ago the beep-beep of Sputnik impressed mankind.
@TheTamriel A pleasure to read your input here. Thank you! 🙂
I think that the Human brain cortex is older than 300,000 years, Neanderthals had larger brains than us yet have a seperation time of over 700,000 years from us.
Intelligence doesn't require bulk intelligent 🧬 forms might be microscopic.😂
Lobsters, fish, octopi, starfish and corals are all evolved from a common biology, live in the same environment, live in the same gravitational field and have the same oxygen based metabolic process, yet are wildly different to each other.
Now imagine changing the gravity, the amount and composition of solar radiation, the method of intergenerational information transmission (regular DNA, RNA, Z-DNA, or some entirely different molecule). Do you honestly believe that a truly alien biology wouldn't exhibit even larger differences?
Possibly.
Great video and amazing information !
The scale was originally designed in 1964 by the Russian astrophysicist Nikolai Kardashev (who was looking for signs of extraterrestrial life within cosmic signals). It has 3 base classes, each with an energy disposal level: Type I (10¹⁶W), Type II (10²⁶W), and Type III (10³⁶W). Other astronomers have extended the scale to Type IV (10⁴⁶W) and Type V (the energy available to this kind of civilization would equal that of all energy available in not just our universe, but in all universes and in all time-lines). These additions consider both energy access as well as the amount of knowledge the civilizations have access to.🌎🌍🌏🌐🌐🌐🌌🌌🌌🌌🌌🌌🌌🌌🌌🌌🌌🌠🌠🌠🌠👽👽👽👽👽👽🧘🧘♀️🧘♂️👫🧕👲👳♀️👦👧🏟🏞🏝🏜🏖🏕🗻🌋🏗🏛🏢🏤🏥🏯🏠🏡🏩🏪🏬🏯💒🏰🕍🛕⛪️🌁🗽🗼🕋⛩️🎪💈🎢🎡🎠🌉🌇🌆🌄🌄🏙🌃🌁🚉🚈🚇🚆🚅🚄
Given the number of planets that we are aware of, it seems inevitable that there will be life out there somewhere
Though, I'm of the opinion that in order for life to gain intelligence certain criteria have to be met
1) A lifespan long enough to gather knowledge
2) A means to communicate that knowledge to others of their kind
3) A means to create and manipulate tools
Within those requirement biology can vary wildly, but I believe that all 3 have to be met in some fashion
I don't care how big a creatures brain might be or how long it will live if has no means to teach what it knows to its offspring or if it only has ridged claws that don't allow it to create anything of any real use
Thus, I would say that life is probably abundant in the universe. But intelligence is rare
My dog is pretty smart, but he can't talk and he can't make tools
Could dogs evolve over time to gain those traits. Definitely, but the odds of that happening are probably constraint by the fact that they already live with an intelligent race and we engage in activities that make it unnecessary for them to gain those traits
So I guess that my 4th requirement would probably be not having another competing species evolving at the same location to hold them back or wipe them out
Dogs talk. They communicate with humans and other dogs. They communicate things that are relevant to them.
Considering every other homo species including Neanderthals is extinct and the great Apes are all vulnerable the 4th point would seem correct, a point explored by the planet of the Apes movies.
Maybe we could selectively breed dogs for intelligence?
Actually intelligence is more complex than this! Dogs & some other species don't "talk" but they do have methods of communication that are complex and in the case of Orca probably as sophisticated as us yet we can't speak to them or understand them. There are interspecies barriers when it comes to communication!
Orca are able to communicate in incredibly complex ways yet their language is mysterious and unfathomable because it is based on unique senses and communication mechanisms they have evolved. They are able to communicate using clicks and wails they emit from their heads as well as through their body language. They can even communicate visual information through their sonic clicks. Their songs are loud and can be heard for miles & we don't know what they are saying. Imagine an alien species may communicate in a pitch that our ears can't detect or encode information in complex ways & at higher frequencies. Consider the fact that bird song is impossible for a human being to imitate because birds have vocal chords that allow them to produce far more complex sounds than we can.
It may seem as simple as stating that another species can't "talk" but actually interspecies communication is so enigmatic that only until the advent of AI are we beginning to gain insight into the languages of other species.
Cephalopods can communicate information through flashing colours on their skin. I have watched schools of squid communicating this way, turning half their bodies dark and the other white for example in a complex dance under water. We don't know what they are saying!
Keep in mind how short our reign as an "intelligent" species has been. Life has been on this planet for a couple billion years. Several different classes have been dominant for millions of years only to be wiped out during 5 or 6 mass extinction events. We've only been, what we would call intelligent, for about 2-3 million years. I believe life is fairly common in the universe, but actual intelligence is extremely rare.
And don't forget, the concept of intelligence could be different. They may be so focused on improving their environment, they have no interest what lies outside their solar system, let alone the universe. Part of our interest in space is because our population keeps growing and we think about colonizing new worlds, but other intelligent life may have learned how to live in harmony with their world and never risk over-breeding
There is also the possibility of artificial changes to aliens by genetic engineering. For example if an alien race want to travel through space and has no FTL and no artifical gravity it could create a species with long lifespans, adapted for low gravity and high radiation.
When I was a kid, I always thought that the configuration of human feet to be weird.
I tended to think that we should have toes that face rearward as well.
The same with eyes, that there should be a pair in the back of the head as well and humans should be able to walk and run backwards just as easily as forwards.
Of course, I also thought that it was weird putting the steering wheel of a car on one side instead of in the middle! ;-)
We are predators and thus our eyes are on the front of our heads because we would hunt for prey. We are primates and thus share this evolutionary trait of eyes at the front of our heads with all primates.
Prey animals in comparison have vision schemes that allow them to look behind them, because they have evolved to escape from predators.
There have been cars with the steering in the middle and a passenger on either side.
Human like evolution is inevitable... Simon Conway Morris.
Disagree. Earth had life for billions of years without anything that remotely looked like hominids.
Advanced, intelligent alien beings would be similar to us in many ways.
Excellent presentation...thanks
Not really they could be like Cephalopods for all we know.
@@dugebuwembo
Without fingers, how would they make tools?
@@poksnee What if they don't need to make tools? You can have intelligent species that aren't tool makers, yes they may be limited but that doesn't mean they couldn't have language etc.
@@dugebuwembo
They would have no technology...very primitive.
@@poksnee No technology but complex social behaviours; emotions, language etc. Discovering an intelligent species on another planet would be landmark even without technology.
Technology is all good and all but has its draw backs too. Either way it's fascinating how much our bodies influence our capabilities, our dextrous primate hands are a critical part of our technological species!
Tripod based limbs for motion is not actually impossible. Plenty of species move in a manner similar to that and all you have to do is look at seals to sort that out. Also is a species only had two legs and no arms but a tail the tail could also be used as a part of the walking process and eventually evolve into a leg type structure.
Kangaroos.
Consciousness is fundamental. If you encounter an extraterrestrial that can experience 200 colors and will see a wooden chair as an inverted vision weighted by the absolute amounts of different atoms in the structure, how can you ask it to sit in the brown wooden chair?
Why do you believe that conciseness is fundamental? There may be planets with only micro biology and plants.
I saw the thumbnail of this video and the name of the channel and thought, "This is probably going to be click bait and junk science, but I'll try it." Lo and behold it wasn't, and I had even subscribed to the channel at some point in the past. Why UA-cam's algorithm give me so few science suggestions and so many cop cam vids I have no idea.
Been wondering, is maybe there’s some thing to the Fermie paradox that wasn’t taken into the equation as to why, with all galaxies, solar systems, and planets why we are not seeing spaceships moving around in the distance, I was thinking, maybe the size of the planets and how many planets, having a Jupiter gas giant, the size, color and stage the sun is in, the distance between all the planets on the sun, the gravity on our earth, the material the moon is made out, the orbit of our moon, the fact that we only have one moon. It could be a mixture of all these or some of these to get the right combination. Also, they can vary with different combinations you have less planets maybe you can have bigger planets or smaller moons you can have more moons. But regardless, I think there is a more complex formula to life on a planet, and that may be why life is very rare.
Not much on Aliens 👽😄. But this video is one of the best logical approach to this topic. 👨🏿⚕️👨🏿⚕️👨🏿💻👏🏿👏🏿
Glad you liked it , this video was Tough To realize.
True, there is only one way to do certain things.
To see, an eyeball is needed, with a lens and retina. No other way according to optics.
To fly, wings are needed, according to aerodynamics. Insects, birds, mammals...
I disagree. A extresesrial may not need a eye ball to see. They could have some sort of sensory ability to identify objects .The other things that you suggested, that could be a long and interesting discussion.
@@johnshaddick6858 True. Dolphins and bats use sonar, but if a creature used light, then the laws of optics would prevail.
Imagine if we went to another planet and found a knife or a hammer. Wouldn't we figure out what these artifacts were?
@@calvinmasters6159 We could only identify a object by feel, if it was put in our hand and we felt the shape and texture of it . first. Then we could identify the same type object anywhere else.
I think your partly correct but the expression of biology alone on earth is so different exactly based on the environment
Hi! I'm an example of convergent evolution. Either that or somewhere along the lines I gave you some of my genes. ?
If you're going to imagine things, then IMAGINE THINGS
Until we find a planet with life on it and can observe it and study it, there is no such thing as an exobiologist
The face was The evolutionary step that made all of this life on this planet possible insects faces and mammals are a great example of convergent evolution but all the rest of life reptiles mammals and fish all have the common ancestoral face and without it this level of evolution would have never been possible it truly was the key to life on Earth blossoming
True.
🌌¿Por Qué Aveces Empiezo A Dudar Que Si Existe La Vida Fuera De Nuestro Planeta?🤔🌌
♪♫♥Very Intesting !
Manipulation was key in our own evolution. Just remember that the word "manipulation" comes from the Latin "manus", meaning "hand". Horses' hooves, for example, are a dead end; they excel at running but don't serve much of any other purpose.
Hooves are a dead end? According to who? They are actually incredibly complex and allow horses to run, gallop, jump etc.
hey this was actually a nicely well done video that wasn’t some type of retread that I’ve heard a gazillion times from other places. seemed original and very well thought out. I enjoyed listening to it very much. thanks insane curiosity!!!
This video repeats itself twice...
It will be based on their atmosphere, gravity and mineral composition. That's it. If those things are similar to ours , we're likely to see similar life. If not, who knows.
So glad to find your channel, I just had to subscribe! It's very rare to come across material that is based in science rather than pseudoscience, which seems to fester in the post-45 world.
Your video was intelligent, cogent and well thought out. Very few take this direction to spell out what ET will look like, or how it will think - if it does indeed think.
However, the word 'sentient' is a misnomer that too many people use incorrectly because it has been lazily used in science fiction as a catch-all. Sentient only means 'the power of perception by the senses' or 'aware of one's environment.' This technically means that something is aware of environmental pressures, which is basically how to eat or avoid being eaten: the dichotomy of predator vs prey, which are aware of their surroundings. By definition, most vertebrates are sentient, and a case can be made for lower animals being 'aware' in this way.
The more precise word is "sapient," which is defined as 'having or showing self-awareness,' which is the very definition of the human ability to think and adapt to its environment.
By the way, I was delighted with the artistic interpretation of the creature based in silicon! I've only ever seen work that shows flattish, sessile crystals that look like tall bits of quartz.
I look forward to seeing more of your videos and will be going through your library to see what other great topics you've covered.
What about the tick tack spacecraft?
life always starts in its golden form in the Abyss
it’s why the moon matters so much
#2Spirit
My only question in these discussions presented before and now: why ETs (Extra Terrestrials) are shown naked? How can a highly intelligent species traversing through space from one solar system to another present themselves naked? Waiting for a plausible explanation, no further comment.
I thought everything was evolving into crabs. 🦀
arthropods yes, most
This is like a Hollywood thesis on why aliens evolved into avatars in a pinnacle of Hollywood evolution.
its what what you're saying. What is consciousness? Consciousness, to me is when you can spot a bull shitter.
Why are Aliens shown as murky and reptilian-like? What do their bugs look like? Yes, my question was influenced by the colorful subliminal images in the video.
We will find species after species of cat type animals on planet after planet. 🤩🤘awesome
We have realized that life in space without gravity would force the human body to adapt without gravity helping us live how we evolved. Moving digested food through our intestines for example is very different without gravity. An alien species could evolve like us but then change due to the radiation and low gravity of space. How that might happen might be a good subject for a future video of yours.
Perhaps alien intelligence could arise not out of monkey-like creatures but rather out of raccoon/weasel-like creatures.
I was a video that excluded any other possible element that would be used instead of the carbon, as basically not possible, as the carbon is the only suitable element that has unique chemical properties and can create biggest amount of bonds with other elements...
I think biology and physics work identically all over the galaxy / universe and therefore nature will use all its tools to evolve leading to convergent and divergent as both being necessary to evolve to find the most suitable configuration for the environment.
We think we have millions of examples of life here on earth, but it's all related and all on the same planet. Therefore, we actually only have a sample size of one.
Assertions about what life elsewhere must be like based on one sample is folly.
Convergence evolves because of divergence. Divergence evolves from convergence. Laws of physics, chemistry and competition constitute the constraints, and those laws are universal. The physics, chemistry and game theoretic equlibria we study here apply without modification everywhere.
If animals was humanoids
An octopus like creature with lungs and some changes in limbs can evolve somewhere else, say a planet which dried down gradually and these creatures got time to evolve.
Well, if the aliens are technological at all, they'll need appendages to manipulate tools, not claws or slime, they'd have to have a form of legs to move and manufacturer. So that covers arms and legs, the rest of the body shape could be very different from humans. The aliens would have eyes on the front of the head most likely only 2 for depth perception in manufacturing.
In my opinion, if they're that intelligent a species, I think they could design and develop technology suitable for them and tools that they could operate, without having opposable thumbs lol. We always think of tools that we are familiar with. They could have tools that only their body type could operate
While the bricks that build the being may vary the basic requirements for an intelligent being do not.... Enough brain matter to process the senses and control the limbs, plus spare capacity to invent and design and build and operate a complex interstellar device.... In all likelihood they will be quite similar to us with two eyes two legs and two arms each with hands that can manipulate tools, an entry for sustenance and exit for waste, and plenty of spare brain power so as to be able to communicate and understand the science of physics chemistry and biology as they may view it.
The parameters for life and evolution is the same anywhere in the universe. Goldilocks zone. Liquid water. Etc. Therefore a fish or a bird or a human will look similar on other planets.👍
For sure any intelligent biological type 1 to 3 ETs out there will have the ff.
1. Eyes
2. Mode of locomotion
3. Manipulating limbs
I love this documentary.
The evolution of life on earth was uniquely shaped by happenstance…ice ages, droughts, continental drift, asteroid impacts, volcanic activity, weather changes, and countless other unique factors. It’s unlikely that the same evolutionary forces would have occurred on exoplanets. Any life forms on exoplanets would have evolved based on entirely different evolutionary forces and novel biology. To assume that alien life would resemble life on earth, not withstanding the possibility of convergent evolution, is probably misguided.
Convergent evolution is common on earth so if a alien planet has similar conditions to earth it would be possible for an alien life form to develop a similar body type to animals on earth if we were to discover a alien it wouldn't be any stranger than a cuddle fish or octopus.
When you think about it the chance of aliens looking similar to are less than what we think although evolution could do it. It wouldn’t be necessary to do it.
All the 4 limbs and a head species share a common ancestor aswell as 6 legged and 8 legged. These are species that maybe survived because of the environment not because it’s universally better.
Cant even get out of the radiation belt...
Ummmm- 2 legs are perfect to stand upright - when gravity is just like Earths. Who’s to say other planets must have the same type of gravity in order for intelligent life to form
It's pure arrogance to think intelligent life on another world would be anything like us........
I don’t think the argument is that life will be similar. The argument is that life that also develops technology must have at least similar features such as something like a nervous system, visual system, probably hearing, locomotion, and manipulating appendages. It will be land based, not a marine creature and will be able to communicate with each other.
Yeah but for insects it's only because of the way that they take in oxygen if they had a lung system more capable of breathing air like say humans or an elephant just as an example they would probably still be a meter long
When it comes to the higher oxygen concentration in the past and large animals has anyone ever tried to connecting a oxygen machine or mask to an animal or human or having them be in a place where the oxygen percentage is higher for their entire lives to truly see if this theory holds weight ?
This is why? same typical folks" make continues mistakes!! When u meet an alien" won't know it...
Spoiler alert: By 2100 we shall still be debating whether there is life on other planets!
Course it would.
What makes you think it will be a carbon copy of earth?
nothing but carbon can form long enough stable molecules carbon is the only option
Music is severe and distracting.
if we are talking about living organisms, they can be in any form, but if we are talking about an organism that should create an advanced technical civilization, nothing that does not have two hands and at least three fingers and walks on two legs simply cannot, so they will be similar to us.
"Environmental pressure." ??? I assume all things are considered? And my hat is off to anyone who might fathom all those. Well, put that on the plate also! This video, a tree, and other long term Environmental pressures, (influences) will at least partially dictate how life should evolve. My bet is that our extraterrestrial neihbors will largely resemble humans: trunk, legs, arms and head.
Why would anyone actually choose an AI voice that sounds like a patronizing 3rd-grade school teacher trying to get the attention of her class after recess?
Moses 1: v33 - "And worlds without number have I created, and I also created them for mine own purposes, and by the Son I created them, which is mine Only Begotten.
v35 - "But only an account of this earth, and the inhabitants thereof, give I unto you, for behold, there are many worlds that have passed away by the word of my power. And there are many that now stand, and innumerable are they unto man, but all things are numbered unto me, for they are mine and I know them".
v36- And it came to pass that Moses spake unto the Lord , saying: Be merciful unto thy servant, O God, and tell me concerning this earth and the inhabitants thereof, and also the heavens, and then thy servant will be content.
v38- And as one earth shall pass away, and the heavens thereof even so shall another come, and there is no end to my works, neither to my words.
v39- "For behold this is my work and my glory to bring to pass the immortality and eternal life of man".
A terd vs a terd with mustard on it?
I only have 1 question. Do alien's have nipples ????
And they shall meet in the middle and shall be amazed at how wrong they were.
The evolution of the two sides of the Atlantic provide an apposite model. Despite independent development the Americas and the Eastern hemisphere developed plant domestication, pyramids and urban complexes. The Americas led in plant domestication as the tonnage of crops domesticated there quickly exceeded that of Old World domesticates within 200 years of 1492. The potato, domesticated in the Andes, proved decisive in the food supply of Russia and Ireland.
On the biological level parallels of marsupial mammals of various niches evolved on continents with placental mammals despite independent development since deep in the age of the dinosaurs 🦕.
Because "gestation" of embryos in eggs place an upper ceiling on the size of hatchlings large terrestrial vertebrates with oviparous reproduction would have to have a lot of their behavior preprogrammed, which is why such details as the shape and materials of their nests the build and of mating dances are stringently grafted into birds and presumably would have been so exhibited by their dinosaurian and modified diapsid ancestors. Because of the requirement of behavioral plasticity and a long period of learning, aliens with technological civilizations will be viviparous and not egg layers.
Unsolicited comments and/or attempts to engage in dialogue or debate will activate blockage and the deletion of the post.
They will be crabs
We have found zero Earth like planets around Sol like stars...if the planet is much bigger you cant even get off of it with rocket propelled engines...if its much smaller it cant hold an atmosphere...alot of scientists are thinking its something much stranger...that which can not be spoke of
There is nothing that cannot be spoke of. Say it. But there is the theory of great filters which has strong support.
@@blaster-zy7xx that which cannot be spoken of by scientists is religion...gods...aliens...demons...intelligent non physical lifeforms that control everything in the physical universe
Life tends to evolve into crabs
I have heard this before, but I don’t understand the reasoning. It doesn’t happen in real life.
I think we come from another planet originally because we have a lot of medical problems which I think is because gravity on Earth makes us heavier…ie back problems and weight/co-ordination difficulties..just my theory😘
don't talk about differences planets....think about this planet earth first...anythings diff
Ooo
Aaa
Ehhh
Gravity, atmospheric elements, planetary evolution and a one in a billion miracle could give intelligent life but visiting is quasimpossible, carl segain was a drama queen
Anyone notice on the thumbnail that amongst the aliens was a black dude?
Yeah and two white dudes
🦾
If aliens from another star system ever make it to earth they will look something like us, a head, two. Eyes and so forth.
l think the concept of evolution is ridiculous 😂😅
Computer voice is too annoying to listen to
I find it funny that this content channel chosen to show a black man with aliens rather than a Caucasian man as we all know what race he’s closer to.
I have no idea what you are even trying to say.
one problem with this video is you have to have a moon to form life a planet that does not have a moon will only have bacteria as Life
Fiddler crab; your argument is irrelevant.
I watch fungus evolve while watching the five min intro. Next time just get to the point
Why not they maybe looks like US, why everytime we think they look like this 👽
We have realized that life in space without gravity would force the human body to adapt without gravity helping us live how we evolved. Moving digested food through our intestines for example is very different without gravity. An alien species could evolve like us but then change due to the radiation and low gravity of space. How that might happen might be a good subject for a future video of yours.