Re: Re: PHP Brain Teasers

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On 7/6/07, tedd <tedd@xxxxxxxxxxxx> wrote:
At 11:00 PM -0400 7/5/07, Robert Cummings wrote:
>On Thu, 2007-07-05 at 22:44 -0400, tedd wrote:
>>  At 4:48 PM -0400 7/5/07, Daniel Brown wrote:
>>  >On 7/5/07, Robert Cummings <robert@xxxxxxxxxxxxx> wrote:
>>  >>On Thu, 2007-07-05 at 15:04 -0500, Kaleb Pomeroy wrote:
>>  >>>  Which came first, the chicken or the egg?
>>  >>
>>  >>The egg, fish were laying them long before chickens walked the earth :)
>  > >
>  >
>  > But actually, it was dinosaurs.
>
>Ummmmm... fish predate all land creatures according to evolution....
>that's not to say something with eggs didn't predate fish, but I'm too
>lazy to go look.


Yes, but I was talking about predecessors to the chicken, like
Archeopteryx (one of the first feathered dinosaurs), which is/was (my
education is dated) believed to be the predecessor of birds.

As far as eggs are concerned, they predate fish considerably.

So, IF the question is "Which came first, the chicken or the egg?" --
then the answer is clearly "the egg".

However, if the question is "Which came first, the chicken or the
chicken's egg?" -- then the answer is much less obvious.

Evolution is alteration in the genetic code usually caused by changes
in the critter's environment. So, the question becomes, is the
alteration of the genetic code found in the egg a random fluctuation
of genetic code not found in the parent, or is it the product of a
lifetime experience, under the influence of the parent's environment,
that changed the parents genetic code in reproduction?

Also, there is a difference in the genetic code you have and the code
your pass on in terms of dominance/preference with your spouse's
genetic code. In other words, male and female produce something
different than either of them. However, for both to reach
reproduction age, they both had to have "successful" genetic makeup.
As such, their offspring has a different chance, perhaps better, of
reaching reproduction age and passing on it's contribution.

Now at what point does the offspring differ enough in genetic code to
be classified as a chicken? That's an interesting question
considering that it's offspring may not be a chicken (consider that).
Pre-chickens will have to go through numerous generations before
producing a "true" chicken in our taxonomy.

I doubt that one can demarcate the non-chicken parents from the
chicken offspring. So... it is perplexing.

Cheers,

tedd



From which point in the evolution do you call it a chicken egg? See it
like bytes, 00000000 is a fish egg, and 11111111 is a chicken egg,
then it went from fish egg to chicken egg like this:
00000001
00000011
00000111
00001111
00011111
00111111
01111111
11111111

So, at which point do you call it which egg, same with the fish and
the chicken itself. If you call the fish earlier a chicken than you
call the fish egg a chicken egg, then the chicken was first, if you
call the fish egg earlier a chicken egg than you call the fish a
chicken, then the chicken egg was first...

Tijnema

>
>But dwelling on the topic, the chicken egg problem is actually stated
>incorrectly to some degree, it's a more interesting question to ask:
>
>     What came first? The chicken or the chicken egg?
>
>Now this question is only perplexing until you realize that the concept
>of "chicken egg" is ambiguous. Is a "chicken egg" an egg that was
>created by a chicken, or an egg from which a chicken hatches? As such,
>there are two possible answers to the age old question...
>
>     Case 1: a "chicken egg" is defined by having been created
>             by a chicken.
>
>             In this case the chicken must have come first :)
>
>     Case 2: a "chicken egg" is defined by being an egg from
>             which a chicken hatches.
>
>             In this case the egg comes first since the first
>             genetic chicken was born from an egg created by
>             it's direct ancestor that was not a chicken.
>
>See... it's not perplexing at all :)
>
>Cheers,
>Rob.
>--
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