Humans do have a vestigial tail, evidence that humans' primitive ancestors possessed tails. ELI5: when did humans have tails, and why? Tails are used for balance, for locomotion and for swatting flies. save hide report. User account menu. We don’t 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. Cats need their tails for balance, but our eye sight, nervous system, and inner ear keep us balanced. Geckos use them to store fat. Robots with TAILS could easily communicate with humans. Tails are almost standard issue in the animal kingdom. Snakes had tiny feet like the millipede but it never used them and therefore in the course of evolution those feet disappeared. Horses use them to swat flies, while birds them to steer during flight. A Lovro. The shape of the spine, the bend at the knee, the placement of the head over the midline between our feet. Why … I asked this in the biology section but I figured I might get more answers here. 3 1 13. comments. Press J to jump to the feed. We lost them because we had no use for them anymore. Why don't humans have tails? Because our recent ancestors don't have tails. 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. report. Read Cengage Advantage Books: Understanding Humans: An Introduction to Physical Anthropology. ELI5: when did humans have tails, and why? log in sign up. The humor in that, of course, stems from the fact that humans don’t have tails, but what if we did? Why don't humans have tails, too? report. save. Marsupials, such as the kagaroos, use them as a large perch to help them rest and to keep a stronger contact to the ground. Why evolution took tail from us? 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? "According to the theory of evolution, our ancestors had tails and we lost them. Press question mark to learn the rest of the keyboard shortcuts. So why are tails a trait that was eliminated among humans as they evolved? Many other animals with tails need a tail because their head (which is heavy) is out front, like a cat or a monkey. Why don't humans have tails? Franz Micah. We are not a species like lizards that needs to detach our tail to distract animals who see as a prey. share. We actually have residual tails, but for some reason our tails have become so small as to be internal. There are so many more uses for a tail than simple balance. That would probably throw things a little out of balance, so the tail, for what it's worth, might compensate a bit. From mackerel to monkeys, practically everyone has a tail...except humans and other apes. From mackerel to monkeys, practically everyone has a tail...except humans and other apes. 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? hide . r/AskReddit is the place to ask and answer thought-provoking questions. The balance thing is just about manipulating the center of gravity. We also don't need tails to attract or signal a mate. Organs and body parts like this are called vestigial, and we actually have a number of them! Press J to jump to the feed. Plus, tails are useful for jumping and … Press question mark to learn the rest of the keyboard shortcuts. By Dr Andi Horvath, University of Melbourne. Why don't humans have tails? 1:48. 0:35. Birds use them to steer through the air. Posted by 6 years ago. We can use our words, noises, and hand motions as well as expressions to communicate. | What is the purpose of tail?? Animals have tails to help them maintain balance or move from place to place. r/explainlikeimfive. Don't Panic! Tonasenan. wouldn't it make more sense for since we stand up right on 2 legs? 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. But for most mammals, they serve one major purpose: Balance. 4 years ago. Many tails among those organisms. On the origin of our useless tailbones. Similar is the case with … All about tails? Latest. Though it may seem ridiculous now, at one point during the evolutionary process, humans had tails. 2. 0:07. Why don't humans have tails? At a certain point in history, humans did have tails! Science Insider. Also, the fact that many primates have tails indicates that we did at some point during the course of our evolution. 1. So here's my question; What disadvantage is there in a tail, for primitive humans (or primates, since it's … 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. Even in quadrupedal animals, the head rests forward of the front legs. I think it may also be because of our bone structure. Why don’t humans have tails? Horses, and large mammals that can not easily reach their hind quarts use them as a fly swatter. Did humans have tails once? More Science. Agueda Rea782. 0. wouldn't it make more sense for since we stand up right on 2 legs? The shape of the spine, the bend at the knee, the placement of the head over the midline between our feet. Yet, as you get closer to humans on the evolutionary tree, tails disappear. So why do we have the bones for it? How much cool shit could we do if we had a tail? Why don't Humans have a tail?? Archived. Basically, we have evolved based on our needs, and our environment. I understand that most animals have tails for balance, and I understand that we evolved to stand upright and don't need them anymore. Health. Advertisement Business Insider. By Molly Glick. Animal skeletons are based on the fish skeleton. We do they're just too short to effect our appearance. The reason we’re left out is because most mammals use their tails … But what about us? While tails are very rare in humans, temporary tail-like structures are found in the human embryo. 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. 0:29. Download The Artist's Guide to Human Anatomy: An Illustrated Reference to Drawing Humans Including. Plus, tails are useful for jumping and climbing through trees, which humans don't do very well. Some of us primates crouch with our chests held diagonally to the ground. Many other animals with tails need a tail because their head (which is heavy) is out front, like a cat or a monkey. Press question mark to learn the rest of the keyboard shortcuts. Many animals have highly specialized tails. 0:08. Many creatures in the animals kingdom have tails. Because we got more mileage out of tales. Archived. 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. Now, humans came from ancient reptiles and birds and amphibian and jawless fish and what. Why don't humans have tails? What happen if human have a tail ??? Most humans don’t have tails. None of which we seem to need. ELI5: Why don't humans grow tails? We don't need to communicate with other humans using our tails. 100% Upvoted. If we want to swat flies, we have … Since we don't fly, we won't need our tails to move in flight like birds. 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. Some primates use them as an extra hand, they will help to grip trees and push off from the ground. To understand why, take a look at how we walk. Daily Mail. ELI5: Why don't humans grow tails? Share selection to: Humans love the idea of a tail – 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. And the extra hand: We don't need, opposable thumbs and creating tools. Yes, there is a good tale behind the disappearance of tails from monkeys to humans. Humans don't need tails because we have a little something in our inner ears that help us balance, it's called our equilibrium. Close. u/dim7altONE. 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. Horses: We don't need to swat flies with our tail, we have a pretty extensive reach with our hands, normally. Horses will swat bugs with their tails. 33% Upvoted. 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. Posted by. Read Now Cengage Advantage Books: Understanding Humans: An Introduction to Physical Anthropology. Log in to reply to the answers Post; Kiko. 75% Upvoted. 4 comments. For example, take the example of snakes. In fact, we can see traces of tails in embryos still in the womb. share . (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 animals have tails. Balance is not the only reason animals have tails. Why not us? We are safe (because of fire, 'beds', etc. Archived. Since tails first evolved at least 500 million years ago, they've taken on every role imaginable. Sometimes humans are born with very short tails, but they are cut off by the doctors when it happens. So why don’t humans have them? ?Why don't humans have tail??? The more interesting question is why don't the great apes (including humans)? 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. Full E-book Understanding Humans: An Introduction to Physical Anthropology and … share. And neither do chimps or any other ape including us, of course. Gorillas don't have them. 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. And rattlesnakes use them to scare off predators. 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. We use objects and our hands to get rid of bugs. Close. Why don't humans have tails? Yet, as you get closer to humans on the evolutionary tree, tails disappear. hide. 0 16 2. Tails have a bunch of purposes in animals. Because we don't, not having them didn't hinder survival or breeding. These are just a few examples, there are hundreds of more specified uses by all kinds of mammals. Kangaroos: we aren't scared of the ground. 6:25. 9 9. comments. Others, like gibbons and humans, can walk completely upright. 0:05. 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. Answer 4: The easiest answer to this is that there was a genetic pressure to no longer have a tail. Posted by 6 years ago. 1. 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'. 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. save. 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. What would you say was the evolutionary advantage of tail-lessness?" Read Cengage Advantage Books: Understanding Humans: An Introduction to Physical … Whether they’re swatting away horseflies or helping a monkey swing through the forest, tails are a pretty amazing adaptation. 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. Humans weren’t always shaped like this: our bodies evolved over time from the ancestors of primates, to primates, and finally to our current modern species — Homo sapiens. To get rid of bugs attract or signal a mate for since we do need... We also do n't the great apes why don't humans have tails reddit including humans ) steer during flight are found in human... 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