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  1. #801
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    Quote Originally Posted by harvs View Post
    If evolution is the survival of the fittest, what is the purpose of disease? Like the bugs that cause gastro and things like that? How did they survive? What would happen on an evolutionary level if we eradicated these bugs? Is it like when other animals become extinct and it affects the food chain?
    Disease is also a way of reducing populations ie to stop over populations and a way of strengthening the survivors. Ie influenza - kills the old and young and immune compromised so that food and other resources are left to those able to survive it. If you get it and survive it easily your immune system is strong and therefore your genetic make up is strong and you should propagate. Immune deficient people are risky as they transfer their genes to the next generation. The original white settlers used European diseases such as small pox and measles to kill off the aborigines as they had no inherent immunity to those diseases.

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    almai  (06-05-2015),harvs  (03-05-2015)

  3. #802
    AdornedWithCats's Avatar
    AdornedWithCats is offline Winner 2013 - Spirit of BubHub Award
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    Quote Originally Posted by harvs View Post

    Now I'm wondering if other animals suffer from bad eyesight? Could it ever be the case that clumsy dogs just need glasses?
    Yes probably. Especially as they get older. But other animals can have quite different vision to us anyway. And also other stronger sense such as smell and hearing.

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  5. #803
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    harvs is offline Winner 2014 - Spirit of BubHub Award
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    OMG I seriously don't know anything about anything 😳

    Except Friends quotes and Big Brother evictees...

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    Quote Originally Posted by harvs View Post
    OMG I seriously don't know anything about anything 😳

    Except Friends quotes and Big Brother evictees...
    I feel like this all the time... Ask me a basic question anyone would have learned in 8th grade sciences ect I would be stumped... You need to know how to survive the zombie apocalypse or for breaking bad quotes and I'm your girl 😆

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  8. #805
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    SuperGranny is offline Worlds best grandma! Winner 2012 - Most Helpful Member
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    I once met a person whose dog was so old it had alzheimers. seriously, it would be stuck in a corner of the house because he couldn't see enough or remember enough to turn its head further and get out of the corner. I though it was cruel of the owner to keep the pet alive, but I didn't say anything. poor dog. marie.

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    Quote Originally Posted by SuperGranny View Post
    I once met a person whose dog was so old it had alzheimers. seriously, it would be stuck in a corner of the house because he couldn't see enough or remember enough to turn its head further and get out of the corner. I though it was cruel of the owner to keep the pet alive, but I didn't say anything. poor dog. marie.
    Well we have a cat that likes to try to snuggle with moving car wheels and also likes to set himself on fire when we have an open wood fire going. Does it repeatedly on multiple occasions. He is about 7 years old. I wonder if that's his problem now I think about it.

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    Tomorrow I will no longer have a teenage son... I feel so old lol

  11. #808
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    louise, my baby turned 30 last month. I must be feeling ancient . haha hugs , marie

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    Quote Originally Posted by SuperGranny View Post
    louise, my baby turned 30 last month. I must be feeling ancient . haha hugs , marie
    Haha I'm just trying to work out where the last 20 yrs have gone... Only seems like yesterday he was born

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    What makes us cry tears when we're sad or really happy? It just seems like a completely illogical response - "oh, I'm really sad, I'm going to leak from the eyes now because...no reason". Just weird.


 

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