why do humans have hair?  as evolution goes we had hair to protect us from the heat.  butt after thousands of years why haven't we evolved.  i'm sure theres a logical reason for hair being on us i just can't think of why.  just think if noone had hair it would be the norm and someone who did have hair would be a freak
201315
I believe that you have a good grasp of the concept of why we have hair based on the text you submitted and that your question actually is... why have we not lost hair? or\n"why havn't we evolved?"\nThis is a way too common misunderstanding of what evolution is.  In order for organisms to "evolve" there needs to be selective pressure on the ability of the organism to survive and allow it to pass its genetic material to the next generation (ie. be able to successfully breed)  For people to lose their hair there would need to be some sort of reason why we should.  For example if some sort of parasitic worm infested the earth  and and ate people who grow hair on their heads (hypothetically of course) then the people who are most likely to live and pass on their genes would be people that grow less hair.  Over time, the population would be limited to survivors of this parasitic hair loving worm, which would be people with little or no hair. That is how evolution works, just because we may not really need hair now in order to breed sucessfully, I know plenty of bald men with children, doesn't mean that nature will automatically detect this and spontaneously cause people to lose their hair over "thousands of years".  There needs to be some survival factor in play.  \nOk, that was fun....watch out for those hair worms.
119689
It was actuall hot to have long hair so he proably didn't have it. what is this facination with hair?
438810
Ha! What an interesting question. Hair is regulated by our hormones, when a "child" becomes an adult and enter's their sexual maturity they start producing various sex hormones which causes hair in places to grow (unfortunately). Hair has many purposes: warm, decreases friction (with sexual activity), traps pheromones (especially arm pit, male facial hair, and genital hair) which in turn attracts the opposite sex.  The female population (at least many females that I know) spend a lot of time and money attempting to rid ourselves of hair . . . guess another purpose is served . . . supporting the economy! LOL!
191394
We are "Homo Sapiens Sapiens"... note that there are 2 Sapiens there, it is not a misprint.\n\nOther species of 'Primates' are not classified as 'Human' because they do not match the structure and development of what we now know as human.\n\nRealise that genetics are not the sole reason for choosing what is human (a banana ia actually 50% same as human in genetics). What defines a human is also the capability for commuicating with other humans, determining right from wrong, and operating in a way that other humans operate.\n\nContrary to popular belief, We are in no way descended from Neanderthals, they are a seperate branch of the evolutionary ladder. We are also not descended from monkeys, they are also a seperate branch. As such our ability to breed with such creatures is impossible... it is like mating a dog and a dolphin (which are very close on the evolutionary ladder).\n\nWe are descended from a now extinct group.\n\nThe question you should be asking is how far back do we go before we are no longer called human?
548823
Evolution is not directional, you can't predict what stuff will look like in a million years. And domestic animals are operating in a different environment, where people are protecting them from predators and sometimes choosing who they mate with.
637113
Eyebrows and eyelashes are necessary so that dirt, dust or whatever else does not get into our eyes. They catch these small particles in the air before they can fall into are eyes and hurt us. I guess cavemen needed this hair everywhere in order to keep dirt off their face and stay healthy. But now we are able to wash ourselves effectively, but we still need to protect our eyes.
652712
because humans are animals\n\n...not plants
379803
see that seems correct to me.\nlook at it like this, any creature that has evolved from another creature, from what i know(mind you my knowledge is limited here) the creature they evolved from died out, so why are monkeys still around if we evolved from monkeys why are they still around???
215081
One thing for sure, HUMANS DID NOT EVOLVE FROM PRIMATES.\n\nLife was formed out of Africa.  All humans were first Black Men and Women.  Other races are "Mutations" of the original Black Men and Women of Africa.
367650
Generally in polite society, we don't talk about our tails. As a matter of fact it is consider so taboo, that the scientific establishment has formed the theory that through evolution, we have done away with the tail.\n\nPlease.....for the sake of your own acceptance into main stream....don't mention your tail again. If you do, you run the risk of being forced into a circus freak show, where we will all point & stare.\n\nNuff said!
142552
that's due to climate,food....and various reasons....everybody has adapted themselves with the part of world they live in......u must have heared about survival of the fittest(EVOLUTION).
271292
>>>If life was not created by an intelligent, self-aware,\n>>> designer, where did evolution get intelligence and self \n>>>awareness to "give" us?\n\n\nIt got it from a series of mutations and processes selecting for increased intelligence. Intelligence is simply the result of ever increasing ability to process and respond to sensory information. It is no harder to ‘get’ than size. \n\nYou might just as well ask if all organisms evolved from microscopic bacteria, where did evolution get size to give to whales. The difference between whales and bacteria in terms of size is one of degree, not kind. And in exactly the same the difference between a human and a bacterium WRT intelligence is one of degree, not kind.\n\n\n\n>>>>There appear to be three levels of life, plants (having\n>>>> no awareness), animals (having sensory perception), and \n>>>> humans(perceiving self and contemplating all things). \n\nThat quite obviously isn’t true. Anyone who has lived outside a city knows that plants perceive and respond to the passing of the seasons and the timing of the rains.\n\nOnce again I have to stress that the difference between plant intelligence and human intelligence is one of degree, not of kind. It is not the case that plants have one type of intelligence and humans have another. Plants simply have much less intelligence than humans\n\n>>>>Neoteny… How can anything retain something which it has\n>>>> not received? How can anything be received from a\n>>>> source that does not have *that* thing?\n\nI think you need to spend at leats one hour studying this subject before criticising. All animals receive the genetic instructions for their juvenile from their parents.\n\nIt is amazing that someone in the 21st century could actually believe that God personally builds young animals and that the form of a kitten has no genetic basis whatsoever.
602341
We evolved from a species of ape, and chimps also evolved from that same species. That species no longer exists, maybe because of too much competition from the chimps.\n\nThere have been several species which gradually changed from the ancestral ape species to the current Homo sapiens. None of those "in-between" species exist anymore, again likely because they could not compete for resources with Homo sapiens. \n\nAnd no, evolution has not "stopped". It's not like we can look around and say "oh look, we're evolving". Evolution does not happen over a person's lifetime. The human species has changed since we first came into existence (for example, we are taller on average). This is evolution at work. Tens of thousands of years from now, there would probably be a population of humans that has been isolated from the rest of us and is now so different genetically that it can't interbreed with other 'humans' - this is the point when you have a new species.\n\nThere was never a half-human, half-monkey. Evolution is very gradual and the changes take place over many, many generations - not one generation.\n\nSo do you believe that all the other animals evolved to their current form, except for us because we're special?? We were just dropped here from the sky?
66543
I think it is a matter of genetics and isolation/location.  On the flip side, look at most Asians and Polynesians.  They don't tend to have much body hair at all, live in warmer climates and are isolated for most part by location.
307484
It has nothing whatsoever to do with temperature control- The majority of pubic hair is on the pubic bone, not the penis and scrotum (c'mon guys, you sort of know this, right?) There is no reason to keep the pubic bone particularly warm- you lose no significant heat from the pubic bone.  The testicles are outside the body to keep them cool-now we want to cover them to keep them warm? No.  It has to do with maximizing the surface area for pheromones-  Pheromones are made in the anal area, the genital area, and under the arms...hmmm.  You really don't think you need hair around your anus to keep it warm, do you?  Having a lot of hair means there can be a lot more surface area for pheromone oils to waft their wonderful, sexy (?) scents around.  This is partially vestigial, since we have mostly lost our sense of smell, and cover these areas now, but they strongly hearken back to the days where pheromones played a major role in our reproductive lives.  It's all about sex- pheremones start to be made during puberty, at exactly the same time pubic, anal, and underarm hair is made.  Hair on the head *is* likely for warmth, since a great deal of heat is lost through the head- but use your logic.  Children need as much protection from cold as adults-so why dont they have pubic, etc hair from birth?  They *do* have hair on their heads, for protection from cold and probably UV rays.  Think about it-puberty, reproductive ability, pheremones, pubic hair-all come at the same time.
412569
I'm an old-earth creationist.... yes Neanderthals existed. There is plenty of evidence that they did exist before humans. My question to you is what exactly is it about a neanderthal that makes it a different species than human? If we evolved from neanderthals and they are so similar to our genetic make up? Then why not just consider them Human? Where do you draw the line?
351730
Evolution doesn't cease to exist simply because there is no need for it.  Genetic variation and mutation are always going to occur.  However, the 'natural selection' aspect of it may not be applicable.