There are so many more uses for a tail than simple balance. This vestigial structure makes any appearance during gestation, around days 31 to 35 (the 5th or 6th week of pregnancy), and then promptly regresses, accompanied by the fusion of vertebrae that make up the coccyx in its place. Why don't humans have tails? Others, like gibbons and humans, can walk completely upright. Latest. Cats spin in mid air, kangaroos use it to balance on, monkeys use them to swing from trees...why did humans get the shaft on tails? Why don't humans have tails? report. Read Cengage Advantage Books: Understanding Humans: An Introduction to Physical Anthropology. While tails are very rare in humans, temporary tail-like structures are found in the human embryo. Press J to jump to the feed. Some primates use them as an extra hand, they will help to grip trees and push off from the ground. Horses, and large mammals that can not easily reach their hind quarts use them as a fly swatter. Why don't humans have tails? 1. save hide report. 0:29. Read Cengage Advantage Books: Understanding Humans: An Introduction to Physical ⦠Plus, tails are useful for jumping and climbing through trees, which humans don't do very well. User account menu. Download The Artist's Guide to Human Anatomy: An Illustrated Reference to Drawing Humans Including. save. So why do we have the bones for it? Answer 4: The easiest answer to this is that there was a genetic pressure to no longer have a tail. I understand that most animals have tails for balance, and I understand that we evolved to stand upright and don't need them anymore. hide . Since we did evolve at one point we did however its been long since gone for many different reasons, although you can still see that Humans actually do have a "Tail-bone" its just not developed since we have no need for it, in fact in a few Couple hundred years we may even evolve to no longer have it. Horses use them to swat flies, while birds them to steer during flight. Since tails first evolved at least 500 million years ago, they've taken on every role imaginable. r/explainlikeimfive. 100% Upvoted. Many creatures in the animals kingdom have tails. Marsupials, such as the kagaroos, use them as a large perch to help them rest and to keep a stronger contact to the ground. Balance is not the only reason animals have tails. Agueda Rea782. Press question mark to learn the rest of the keyboard shortcuts. 0 16 2. Since we don't fly, we won't need our tails to move in flight like birds. Press question mark to learn the rest of the keyboard shortcuts. Daily Mail. 3 1 13. comments. | What is the purpose of tail?? 2. share. We do they're just too short to effect our appearance. And neither do chimps or any other ape including us, of course. Geckos use them to store fat. wouldn't it make more sense for since we stand up right on 2 legs? Franz Micah. From mackerel to monkeys, practically everyone has a tail...except humans and other apes. Organs and body parts like this are called vestigial, and we actually have a number of them! Many other animals with tails need a tail because their head (which is heavy) is out front, like a cat or a monkey. More Science. save. r/AskReddit is the place to ask and answer thought-provoking questions. Because our recent ancestors don't have tails. On the origin of our useless tailbones. "According to the theory of evolution, our ancestors had tails and we lost them. (Seriously though: In evolutionary terms, we're from a line of primates that left the tree tops and eventually moved across the grasslands as bipeds --and prehensile tails just get in the way of walking/running feet.). Most humans donât have tails. And rattlesnakes use them to scare off predators. log in sign up. Full E-book Understanding Humans: An Introduction to Physical Anthropology and ⦠I asked this in the biology section but I figured I might get more answers here. hide. Sometimes humans are born with very short tails, but they are cut off by the doctors when it happens. Now, humans came from ancient reptiles and birds and amphibian and jawless fish and what. By Dr Andi Horvath, University of Melbourne. We don't need to communicate with other humans using our tails. Share selection to: Humans love the idea of a tail â just ask my five-year-old niece who dresses up with her dinosaur tail, wags it like a dog and uses it as a weapon. Don't Panic! A Lovro. report. Because we got more mileage out of tales. These are just a few examples, there are hundreds of more specified uses by all kinds of mammals. ELI5: when did humans have tails, and why? So why are tails a trait that was eliminated among humans as they evolved? The shape of the spine, the bend at the knee, the placement of the head over the midline between our feet. That would probably throw things a little out of balance, so the tail, for what it's worth, might compensate a bit. 75% Upvoted. We are not a species like lizards that needs to detach our tail to distract animals who see as a prey. Why don't humans have tails? Press J to jump to the feed. Fans on Reddit also speculate that the younger children did, in fact, have tails, but Chi-Chi and Bulma had them removed to prevent them from transforming into the Great Apes. Kangaroos: we aren't scared of the ground. Even in quadrupedal animals, the head rests forward of the front legs. So why donât humans have them? Plus, tails are useful for jumping and ⦠Animals have tails to help them maintain balance or move from place to place. 1. Gorillas don't have them. During the Buu Saga, Trunks and Goten were able to reach their Super Saiyan forms at a very young age, so it makes sense that they would not regrow their tails once that had reached that point. The balance thing is just about manipulating the center of gravity. Horses will swat bugs with their tails. Why donât humans have tails? We lost them because we had no use for them anymore. Cats need their tails for balance, but our eye sight, nervous system, and inner ear keep us balanced. What would you say was the evolutionary advantage of tail-lessness?" Archived. All skeletal material is made by the action of specific bone cells and there is an amount of work that these cells can do within the species' 'plan'. Why don't Humans have a tail?? 0:35. Yes, there is a good tale behind the disappearance of tails from monkeys to humans. Similar is the case with ⦠We also don't need tails to attract or signal a mate. Horses: We don't need to swat flies with our tail, we have a pretty extensive reach with our hands, normally. But for most mammals, they serve one major purpose: Balance. Humans werenât always shaped like this: our bodies evolved over time from the ancestors of primates, to primates, and finally to our current modern species â Homo sapiens. ELI5: Why don't humans grow tails? As our host Cristen Conger explains in the video above, there are a few good reasons why humans don't walk around twitching their tails to and fro. Whether theyâre swatting away horseflies or helping a monkey swing through the forest, tails are a pretty amazing adaptation. For example, take the example of snakes. To understand why, take a look at how we walk. u/dim7altONE. Many animals have highly specialized tails. Did humans have tails once? Basically, we have evolved based on our needs, and our environment. But what about us? 0:08. Why evolution took tail from us? share . Why ⦠Business Insider. Yet, as you get closer to humans on the evolutionary tree, tails disappear. We are safe (because of fire, 'beds', etc. What happen if human have a tail ??? Snakes had tiny feet like the millipede but it never used them and therefore in the course of evolution those feet disappeared. Also, the fact that many primates have tails indicates that we did at some point during the course of our evolution. Archived. All about tails? Tails have a bunch of purposes in animals. By Molly Glick. Science Insider. Fish swim with their tails, we have arms/legs for that, and since we are not meant to live in the water, we don't need locomotive fish tails. Close. So here's my question; What disadvantage is there in a tail, for primitive humans (or primates, since it's ⦠We don't need to climb trees like monkeys, or grasp at objects, as we don't live in the trees and can use our hands to grasp at objects. The humor in that, of course, stems from the fact that humans donât have tails, but what if we did? wouldn't it make more sense for since we stand up right on 2 legs? And the extra hand: We don't need, opposable thumbs and creating tools. The more interesting question is why don't the great apes (including humans)? 1:48. Why not us? What I do not understand is why something with four points of contact to the ground(animals) needs something to help it balance and humans do not. We use objects and our hands to get rid of bugs. Tails are almost standard issue in the animal kingdom. Though it may seem ridiculous now, at one point during the evolutionary process, humans had tails. We actually have residual tails, but for some reason our tails have become so small as to be internal. Why don't humans have tails? Birds use them to steer through the air. Many tails among those organisms. 0. Animal skeletons are based on the fish skeleton. God didn't like the idea of tails so he decided to omit it when He created us, New comments cannot be posted and votes cannot be cast. And today, so many animals with so many tails, all having evolved from the same ancestor, prove to have the anatomy best suited to their environment. ELI5: Why don't humans grow tails? Close. ?Why don't humans have tail??? 0:07. Log in to reply to the answers Post; Kiko. At a certain point in history, humans did have tails! We can use our words, noises, and hand motions as well as expressions to communicate. Read Now Cengage Advantage Books: Understanding Humans: An Introduction to Physical Anthropology. New comments cannot be posted and votes cannot be cast, More posts from the NoStupidQuestions community, Looks like you're using new Reddit on an old browser. 4 comments. Regarding the latter, we have our own feet to get us from place to place, or motorized vehicles, though I prefer my own two feet. Health. Posted by. ELI5: when did humans have tails, and why? Yet, as you get closer to humans on the evolutionary tree, tails disappear. Tails are used for balance, for locomotion and for swatting flies. Archived. Most animals have tails. share. 0:05. The reason weâre left out is because most mammals use their tails ⦠4 years ago. Tonasenan. Posted by 6 years ago. Humans don't need tails because we have a little something in our inner ears that help us balance, it's called our equilibrium. Posted by 6 years ago. How much cool shit could we do if we had a tail? Some of us primates crouch with our chests held diagonally to the ground. From mackerel to monkeys, practically everyone has a tail...except humans and other apes. Close. Press question mark to learn the rest of the keyboard shortcuts. The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. We donât swing through the trees anymore and, on the ground, our bodies are aligned with a centre of gravity that passes down our spines to our feet without needing a tail to counterbalance the weight of our head. 6:25. Why don't humans have tails? None of which we seem to need. Humans don't have a tail because that is a vestigial organ.Vestigial comes from the word vestige which means a part or organ of an organism which has become reduced or functionless in the course of evolution. Advertisement In fact, we can see traces of tails in embryos still in the womb. There are only a few animals that are solely bipedal like us, and almost all (except for our ancestors the apes and a tree kangaroo or so) use a hopping motion to walk, versus an alternating gait, so their tail is used for balance, balance we don't need. 33% Upvoted. Why don't humans have tails? The shape of the spine, the bend at the knee, the placement of the head over the midline between our feet. 9 9. comments. Because we don't, not having them didn't hinder survival or breeding. February 7, 2020. The recently discovered fossilized remains of a fish, living 350 million years ago in the prehistoric seas, shed new light on this question and human evolution in general.. Scientists believe that a detailed analysis of the fish that has been frozen in time for millions of years can reveal the method by which tails in fish, reptiles, birds and mammals have evolved. Why don't humans have tails, too? If we want to swat flies, we have ⦠Humans do have a vestigial tail, evidence that humans' primitive ancestors possessed tails. Many other animals with tails need a tail because their head (which is heavy) is out front, like a cat or a monkey. I think it may also be because of our bone structure. Robots with TAILS could easily communicate with humans. Also do n't need, opposable thumbs and creating tools as a fly swatter, we. 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