Why is there such similarity in all Earth life forms?

Discussion in 'General Science & Technology' started by joepistole, Aug 12, 2008.

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  1. DwayneD.L.Rabon Registered Senior Member

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    repeat


    DDLR
     
    Last edited: Aug 20, 2008
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  3. Yorda Registered Senior Member

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    i know biology, but i don't like their definitions, i have my own
     
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  5. Enmos Staff Member

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    That, at least, disqualifies you from posting in the Biology & Genetics section

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  7. buckybeam Registered Member

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    no, you really need to buck up. nothing wrong with that at all. im terrible at math.
     
  8. Enmos Staff Member

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    I have never met anyone over the age of 3 that claims insects are not animals.
    No one below that age either, I might add

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  9. buckybeam Registered Member

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    cheers
     
  10. Yorda Registered Senior Member

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    there's a big difference between animals and insects. i'm afraid of insects, but i'm not afraid of animals. so how could i say that insects are animals?

    cheers
     
  11. Enmos Staff Member

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    Reported..
     
  12. Fraggle Rocker Staff Member

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    Dictionary.com definition #2: Organism: a form of life considered as an entity; an animal, plant, fungus, protistan, or moneran.

    Besides, as someone else pointed out, plants do indeed have organs. How do you think they make seeds?
    This thread was started with the assertion that there is in fact not much variety in terrestrial lifeforms. The poster made some astounding errors and life is richer in variety than he asserted, but the fact remains that there is nonetheless a strong underlying similarity among all organisms on earth. For starters, they all have DNA. If I had invented DNA, my next project would be to invent life that has something else for an infrastructure. I repeat my assertion that any supernatural being with the power to create life would be a rather unimaginative supernatural being if he spent the next several billion years creating varieties on the same theme. Considering how capricious and whimsical the god of Abraham is depicted to be, the sameness of life on earth argues against that particular god hypothesis.
    That's called the Cosmic Watchmaker Theory. We don't yet have persuasive evidence to refute it. So far all we have is indirect evidence: if the universe was once a point mass of infinite density and temperature, life could not yet have existed, therefore abiogenesis must have taken place. It's more evidence than the theists have so it's a far more reasonable hypothesis to bet on, but it's hardly a canonical theory yet. Once we crack the mystery of abiogenesis we'll be on more solid ground.
    * * * * * NOTE FROM THE LINGUISTICS MODERATOR * * * * *

    This is a place of science and science requires a standard terminology to facilitate communication. No one gets to redefine words capriciously. If you want to play with words come to the Linguistics board. If you want to play with semantics go entertain yourself on the Philosophy board, which gives me a headache so you probably won't have to put up with me there.
    I'll excuse your previous post as a joke, since I'm famous for not understanding other people's sense of humor. But twice in a row you attempt to justify an argument by redefining common words. You don't get to do that. Are you genuinely afraid of butterflies and crickets, two of humanity's most beloved animals? The world must be a truly scary place for you.
     
  13. Enmos Staff Member

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    Fraggle, it was no joke.
    Check out post 30.

    Maybe you missed the "Trees are not alive" thread and similar threads some time ago.. he's dead serious.
     
  14. Yorda Registered Senior Member

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    nah.. i'm not serious.
     
  15. Enmos Staff Member

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    Yes you are.
     
  16. Fraggle Rocker Staff Member

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    It's hard to distinguish joking from trolling from plain old stupidity.
     
  17. Enmos Staff Member

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  18. Roman Banned Banned

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    Oh man, that's the quote of the internet right there.
     
  19. Roman Banned Banned

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    No idea.
    Ribosomes may have existed as a precursor to cellular machinery, back in an RNA world, when everything was hanging out in a soup (or more accurately, a clay substrate) before the lipid bilayer.
     
  20. Yorda Registered Senior Member

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    there are many lifeforms that don't have DNA, but science doesn't agree that they are lifeforms yet. there are also other lifeforms that don't have DNA, but science hasn't found them yet. and how do you know it's possible to create these kinds of organisms without DNA? maybe DNA is necessary.

    you should study the world a few thousand years more before you judge "god".

    i don't believe in that god, i believe in helena blavatsky's "gods".
     
  21. Enmos Staff Member

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    Such as ?

    So how do you know about them ?

    I suppose you have done just that..

    Wot ?
     
  22. Roman Banned Banned

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    RNA viruses & prions.
     
  23. Enmos Staff Member

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    Prions are not alive, they are just proteins.
    Viruses.. well, that's still debated.
     
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