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Author Topic:   How do you define the word Evolution?
RAZD
Member (Idle past 1427 days)
Posts: 20714
From: the other end of the sidewalk
Joined: 03-14-2004


(1)
Message 736 of 936 (811236)
06-06-2017 5:08 AM


A little off topic aren't we?
Somehow I don't think god resting is part of any definition of evolution.
Thanks.

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CRR
Member (Idle past 2264 days)
Posts: 579
From: Australia
Joined: 10-19-2016


(1)
Message 737 of 936 (811239)
06-06-2017 6:04 AM
Reply to: Message 736 by RAZD
06-06-2017 5:08 AM


Re: A little off topic aren't we?
True. It probably should go in "Contradictions: Hint that Genesis 1 and 2 are Allegorical"
Edited by CRR, : No reason given.

This message is a reply to:
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New Cat's Eye
Inactive Member


Message 738 of 936 (811249)
06-06-2017 9:54 AM
Reply to: Message 729 by CRR
06-05-2017 5:55 PM


Re: Dobzhansky
Common descent has been part of the theory of evolution from the beginning.
Sure, but think about it: Where do babies come from?
They come from parents, who came from parents, who came from parent, who came from parents.
All animals come from a previous generation, so if there are more diversity of species today than there were in the past, then it follows that the species today came from, albeit very gradually over many many generations, the species of the past.
No animals just magically pop into existence one day...
Darwin in "Origin of Species" drew the inference that all life had descended from one or a few common ancestors and expressed his opinion that it was only one.
Or a few... that's the point I'm making: It doesn't have to be one universal common ancestor.

This message is a reply to:
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Replies to this message:
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ringo
Member (Idle past 434 days)
Posts: 20940
From: frozen wasteland
Joined: 03-23-2005


Message 739 of 936 (811261)
06-06-2017 12:00 PM
Reply to: Message 727 by NoNukes
06-05-2017 3:40 PM


NoNukes writes:
What is unimaginative or lazy about using chemistry or DNA?
There's nothing unimaginative about using it ONCE. What's unimaginative is doing the same thing over and over and over and over and over and over again.
NoNukes writes:
How does your argument compare to the argument that a designer would not develop vision, flight, or echolocation using different methods?
Well, of course real designers DO develop those things using different methods: flight can be lighter-than-air, heavier-than air, fixed-wing, rotary-wing, etc. Echolocation can be by sound, by radio waves, by lasers, etc. Show me a biological zeppelin.
NoNukes writes:
And why couldn't a designer build some basic prototypes and then allow evolution to fill in the rest? Wouldn't that explain some of the similarities we see?
That designer would be a redundancy duct-taped onto an already satisfactory explanation.

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Replies to this message:
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ringo
Member (Idle past 434 days)
Posts: 20940
From: frozen wasteland
Joined: 03-23-2005


Message 740 of 936 (811262)
06-06-2017 12:03 PM
Reply to: Message 732 by CRR
06-05-2017 6:17 PM


CRR writes:
It's brilliant design to come up with an information coding system that can be used in all life from amoeba to whale.
So why wouldn't a brilliant designer come up with TWO brilliant designs to do the same thing in totally different ways? Or twenty?

This message is a reply to:
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Replies to this message:
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CRR
Member (Idle past 2264 days)
Posts: 579
From: Australia
Joined: 10-19-2016


Message 741 of 936 (811298)
06-06-2017 5:09 PM
Reply to: Message 740 by ringo
06-06-2017 12:03 PM


So why wouldn't a brilliant designer come up with TWO brilliant designs to do the same thing in totally different ways? Or twenty?
Why? Because you would have done it that way? I won't reduce God to your level, or mine.

This message is a reply to:
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Replies to this message:
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CRR
Member (Idle past 2264 days)
Posts: 579
From: Australia
Joined: 10-19-2016


Message 742 of 936 (811308)
06-06-2017 9:47 PM
Reply to: Message 738 by New Cat's Eye
06-06-2017 9:54 AM


Re: Dobzhansky
Or a few... that's the point I'm making: It doesn't have to be one universal common ancestor.
As I said Darwin said a few or only one and made it clear in the book that he thought it was only one.
Similarly Erasmus Darwin wrote that "... would it be too bold to imagine that, in the great length of time since the earth began to exist, perhaps millions of years ... that all warm-blooded animals have arisen from one living filament, which the great First Cause endued with animality, ...": Darwin E: Zoonomia; or the Laws of Organic Life. 1794
The tree of life with a single source was depicted by Ernst Haeckel in The Evolution of Man (1879)
Current representations likewise start from a single node
Dobzhansky, Coyne, Kerkut, and I'm sure many others refer to universal common ancestry.
According to Wikipedia "LUCA is the most recent common ancestor of all current life on Earth. LUCA should not be assumed to be the first living organism on Earth."
OK, so it doesn't have to be one universal common ancestor but that is certainly the prevailing view today, in Darwin's day, and Darwin's preferred option.
No animals just magically pop into existence one day...
Except apparently the first living thing(s). They couldn't have had a living ancestor. Now we are moving into a discussion of Abiogenesis
EvC Forum ⇒ All Forums ⇒ Science Forums ⇒ Origin of Life

This message is a reply to:
 Message 738 by New Cat's Eye, posted 06-06-2017 9:54 AM New Cat's Eye has replied

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Dredge
Member (Idle past 95 days)
Posts: 2850
From: Australia
Joined: 09-06-2016


Message 743 of 936 (811316)
06-07-2017 3:21 AM
Reply to: Message 739 by ringo
06-06-2017 12:00 PM


Ringo writes:
There's nothing unimaginative about using it ONCE. What's unimaginative is doing the same thing over and over and over and over and over and over again.

Which is the more sensible approach? ... invent a different system for each one of the millions of species of organisms on earth, or use the same system for each one?
Well, of course real designers DO develop those things using different methods: flight can be lighter-than-air, heavier-than air, fixed-wing, rotary-wing, etc. Echolocation can be by sound, by radio waves, by lasers, etc. oShow me a biological zeppelin.
But on the other hand, humans have a long history of borrowing ideas from nature to build stuff. Would humans have ever thought of flight if they hadn't seen birds doing it?
Edited by Dredge, : No reason given.

This message is a reply to:
 Message 739 by ringo, posted 06-06-2017 12:00 PM ringo has replied

Replies to this message:
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 Message 755 by Taq, posted 06-07-2017 3:18 PM Dredge has replied

  
Dredge
Member (Idle past 95 days)
Posts: 2850
From: Australia
Joined: 09-06-2016


Message 744 of 936 (811317)
06-07-2017 3:39 AM
Reply to: Message 721 by Tangle
06-04-2017 8:05 AM


Tangle writes:
How old is the earth?
Dunno. Could be a few years ... or millions ... or billions.
---------------------------------
I accept that a sheep dog descended from a wolf - this is common descent.
I accept that some bacteria develop resistance to antibiotics - this is evolution.
But I don't accept that humans and chimps share a common ancestor - this is an atheist myth.
Edited by Dredge, : No reason given.

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Tangle
Member
Posts: 9504
From: UK
Joined: 10-07-2011
Member Rating: 4.8


(2)
Message 745 of 936 (811318)
06-07-2017 3:50 AM
Reply to: Message 742 by CRR
06-06-2017 9:47 PM


Re: Dobzhansky
CRR writes:
OK, so it doesn't have to be one universal common ancestor but that is certainly the prevailing view today, in Darwin's day, and Darwin's preferred option.
Congratulations, you finally agree with what everyone has been saying for dozens of posts.
It seems a hard thing for creationists to grasp but science does not consider Darwin's views to be sacrosanct; his book is not a holy book to be considered true in all respects and forever. Our understanding of life on earth has evolved beyond Darwin, though his core ideas have proven sound and held good despite 150 years of scientific advancement.

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"Science adjusts it's views based on what's observed.
Faith is the denial of observation so that Belief can be preserved."
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Dredge
Member (Idle past 95 days)
Posts: 2850
From: Australia
Joined: 09-06-2016


Message 746 of 936 (811320)
06-07-2017 5:15 AM
Reply to: Message 719 by RAZD
06-04-2017 7:14 AM


RAZD writes:
Dredge writes:
Lenski's E-coli are often cited as an example of evolution, but I've noticed that biologists consider it to be some kind of no-no to cite same as evidence that supports the theory that all life shares a common ancestor. Why? ...
It's not a no-no so much as a non-sequitur. The experiments show different lines of anagenesis all starting with one cloned organism and then dividing the offspring of following generation.
Why would it be evidence for "the theory that all life shares a common ancestor" Dredge?
1. Humans descending from a microbe is evolution.
2.Lenski's E-coli demonstated evolution.
There must be a connection between 1 and 2.
Edited by Dredge, : No reason given.

This message is a reply to:
 Message 719 by RAZD, posted 06-04-2017 7:14 AM RAZD has replied

Replies to this message:
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Tangle
Member
Posts: 9504
From: UK
Joined: 10-07-2011
Member Rating: 4.8


Message 747 of 936 (811321)
06-07-2017 5:35 AM
Reply to: Message 746 by Dredge
06-07-2017 5:15 AM


Dredge writes:
1. Humans descending from a microbe is evolution.
2. Lenski's E-coli demonstated evolution.
There must be a connection between 1 and 2.
This is both bad science and bad logic.
1. The ToE leads us to a working hypothesis that all life has one - or possibly more - common ancestors which must have started with some form of replicating molecule. On the way, one of those ancestors may have been an ancient version of what we now call a microbe. A microbe is any organism that requires magnification to be seen by us - it's a general catch-all term, not part of a taxa.
2 The fact that a specific bacterium can evolve the ability to 'eat' citrate does not tell us anything about whether a humans descended from microbes. It's a single piece of evidence that confirms that organisms can change which adds to the mountain of other evidence supporting evolution. What underpins the idea of common descent is the ToE in its entirety with all its collection of supporting facts.
How old is the earth?
Edited by Tangle, : No reason given.

Je suis Charlie. Je suis Ahmed. Je suis Juif. Je suis Parisien. I am Mancunian. I am Brum. I am London.
"Life, don't talk to me about life" - Marvin the Paranoid Android
"Science adjusts it's views based on what's observed.
Faith is the denial of observation so that Belief can be preserved."
- Tim Minchin, in his beat poem, Storm.

This message is a reply to:
 Message 746 by Dredge, posted 06-07-2017 5:15 AM Dredge has replied

Replies to this message:
 Message 757 by Dredge, posted 06-09-2017 4:25 AM Tangle has replied

  
RAZD
Member (Idle past 1427 days)
Posts: 20714
From: the other end of the sidewalk
Joined: 03-14-2004


Message 748 of 936 (811323)
06-07-2017 6:45 AM
Reply to: Message 746 by Dredge
06-07-2017 5:15 AM


1. Humans descending from a microbe is evolution.
2. Lenski's E-coli demonstated evolution.
There must be a connection between 1 and 2.
There is. It is evolution.
(1) is macroevolution, looking at the process of evolution over many many generations, looking back over billions of years of accumulated evolution, while ignoring the generation to generation of specific species in between.
(2) is microevolution and macroevolution, looking at the process of evolution from generation to generation. Testing each generation for changes, for adaptations (selected mutations). Observing when new traits emerge causing a functional difference from the original population. Anagenesis, continuing evolution making the offspring species observably different from the parent. Artificial cladogenesis, via forced division of offspring populations into different lineages, that then evolve independent of one another. All within one human lifetime.
The connection is that evolution is occurring generation after generation after generation. Nothing more, nothing less.
Enjoy

we are limited in our ability to understand
by our ability to understand
RebelAmerican☆Zen☯Deist
... to learn ... to think ... to live ... to laugh ...
to share.


Join the effort to solve medical problems, AIDS/HIV, Cancer and more with Team EvC! (click)

This message is a reply to:
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New Cat's Eye
Inactive Member


Message 749 of 936 (811345)
06-07-2017 10:31 AM
Reply to: Message 742 by CRR
06-06-2017 9:47 PM


Re: Dobzhansky
Or a few... that's the point I'm making: It doesn't have to be one universal common ancestor.
As I said Darwin said a few or only one and made it clear in the book that he thought it was only one.
Sure, but it doesn't have to be.
Look, the topic is defining evolution. And the "definition" that I'm responding to is that evolution is synonymous with common decent.
That's not true.
OK, so it doesn't have to be one universal common ancestor but that is certainly the prevailing view today, in Darwin's day, and Darwin's preferred option.
Right, being synonymous with common decent is not a valid definition of evolution. As I've said, common decent is a conclusion derived from applying the ToE to the data that we have available. Back in the day, it started as a hypothesis - but it still wasn't synonymous with evolution.
See Message 558.
Here, review all my messages in this thread.
No animals just magically pop into existence one day...
Except apparently the first living thing(s).
No, not "one day". And there was not just one first living thing.
Being "alive" is not a binary condition...
They couldn't have had a living ancestor.
They could have had a semi-living ancestor
Now we are moving into a discussion of Abiogenesis
Yeah, and it gets a little bit circular - but in regards to defining evolution and defining life, one way is to define life as that which is capable of evolving.

This message is a reply to:
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NoNukes
Inactive Member


Message 750 of 936 (811358)
06-07-2017 12:19 PM
Reply to: Message 734 by Faith
06-05-2017 7:59 PM


Re: God needs nothing
Really? Because it says He rested??? But as CRR said, the Sabbath was made for man
Not just that God rested, but that God rested from his efforts.
And the Sabbath was made for man and not man for the Sabbath is the complete statement. That has nothing at all to do with whether God needed rest. It instead says that man needs the Sabbath.

Under a government which imprisons any unjustly, the true place for a just man is also in prison. Thoreau: Civil Disobedience (1846)
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Not really, it is a theory that is imposed on nature so consistently that you think you are observing it. -- Faith
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