Biological Energy Redistribution?

Discussion in 'Biology & Genetics' started by KUMAR5, Dec 21, 2017.

  1. KUMAR5 Valued Senior Member

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    We may need to go into their full history of evolution. Living on hoter region and thick skin may be the reason of that, they didn't needed fur to warm them.
     
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  3. spidergoat pubic diorama Valued Senior Member

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    So your premise is mistaken?
     
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  5. Write4U Valued Senior Member

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    That is interesting observation. As far as I know, every living thing tries to conserve energy and growing hair, especially thick fur is most likely energy intensive.

    In very cold climates a thick fur is the greatest energy conservation aspect and naturally occurs in cold climates more often than in warm climates, where conservation of warmth is not only not necessary, but may increase the need for energy resourches to keep the body cool and at optimum functional temperature.

    Interestingly, all "cold-blooded" organisms are hairless in order to maximize the body's exposure to the warmth of the sun.
     
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  7. KUMAR5 Valued Senior Member

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    No. It is due to natural environment but wearing clothes is not natural but is manmade environment.
     
  8. KUMAR5 Valued Senior Member

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    Quite interesting. Thanks. We may also need to relate energy conservation and energy expenditure with the possibility of energy distribution in between physical and mental.I think, it is just related to fats.
     
  9. spidergoat pubic diorama Valued Senior Member

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    We mostly only need clothes away from the tropics, where we evolved.
     
  10. Write4U Valued Senior Member

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    I little humorous insert, that reminds me of a little joke.

    "balding" is a sign of great thinkers or great lovers. Of course there are those who just think they are great lovers.....

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  11. KUMAR5 Valued Senior Member

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    Quite humourous but probably may hold some relevant logic.

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  12. KUMAR5 Valued Senior Member

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    But most of humans in all climate do wear clothes. Most have also lost fur. So we can relate losing fur due to wearing clothes. In cold climate clothes compensate fur and in warm areas fur is odd.
     
  13. spidergoat pubic diorama Valued Senior Member

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    No sir. All humans are relatively hairless, and our present form was already established before migration out of Africa. Hairlessness is therefore a result of the needs of a tropical ape that sweats to control overheating. Clothes are a cultural adaptation to cold climates.
     
  14. KUMAR5 Valued Senior Member

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    Does it mean, there is no evolutionary impact on us due to cold climate?
     
  15. billvon Valued Senior Member

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    ?? No. We have the same adaptations to cold that most mammals have - vasoconstriction (which is very useful) shivering (useful) horripilation (which is no longer useful for us) and tropisms for warmth. These came about due to evolution over hundreds of millions of years, and none are unique to humans.
     
  16. spidergoat pubic diorama Valued Senior Member

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    Innuit people of far northern N. America are better adapted to the cold. And to a primarily meat and blubber diet. But it's not that we don't adapt, just that your timeline is wrong.
     
  17. Write4U Valued Senior Member

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    I think it can be said that humans are capable of growing body hair. Thus it is in our DNA.

    And as our ancestry were tree-dwellers and from necessity had to have a protective thick, hairy skin, it seems that hairlessness is a result of unused or evolved DNA, which would suggest an evolutionary adjustment to becoming a ground -dweller in warmer climates where the ability to grow fur to preserve skin moisture has evolved to sweat glands , cells which I understand have many similarities to the original hair growth cells.


    https://carta.anthropogeny.org/even...nds-and-sweat-glands-humans-and-other-mammals
     
  18. DaveC426913 Valued Senior Member

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    Yep. I've heard this before. Humans aren't fast runners, but they have astonishing endurance chasing down prey.
     
  19. KUMAR5 Valued Senior Member

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    We were discussing about no fur adaptation in humans.
    Why we have not adapted fur due to cold climate which other animals had adopted?
     
  20. billvon Valued Senior Member

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    You asked "Does that mean that there is no evolutionary impact on us due to cold climates?" Answer - no.
    Because we wear clothing when we get cold.
     
  21. Write4U Valued Senior Member

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    Usually made from furry animals.....

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  22. KUMAR5 Valued Senior Member

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    We were discussing about climatic impact on our losing fur. Both warm and cold climate should be accounted for it not just warm climate.
    That was continuing post. Quoted poster had somewhat indicated, we are evolved without fur due to living in warm climate of Africa at our Ape state.
    Wearing cloth environment persisted constantly since long back. This is also unique to humans. Why it can not be an evolved reason to losing our fur?
     
  23. KUMAR5 Valued Senior Member

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    Sorry, in your earlier post, ape related, you gave an impression that our primate apes were evolved without fur due to warmer climate environment of Africa and we shifited tovother climatic regions later. It suggest we are evolved due to warmer climate not cold one. How,?
     

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