What's significant about tiktaalik isn't just that it has fins and gills like fish today, or spiracles and articulated wrists or an unfused skull like tetrapods today.
Suggesting that tiktaalik has traits of extant life today is practically meaningless. Of course tiktaalik has fins and gills as fish do today, and of course tiktaalik has a neck as tetrapods do today.
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@Aussie Pete
Good. So then, of what little can unequivocally be assessed regarding Tiktaalik is that it has traits common with other living organisms in the fossil record and it has traits common with extant life today. Beyond that; however, (and what Tour indicates in his lectures) is that equivocating is taking place for which only story-telling, conjecture, and presupposed ideas is what adds any inferred "significance".
What is significant is the fact that tiktaalik has both traits of fish and tetrapods, displayed in a single species for the first time, temporally right after fish but before derived tetrapods.
This is what makes the fossil succession a succession. Tiktaalik and it's tetrapod traits could have appeared in the cenozoic, and there would be no succession. Mammals could have appeared in the silurian and there would be no succession.
Your reference to "significance" here only means that your perception presumes one life form became a different one.
But in reality, these fossils appear in an order. Amphibians do not appear before fish. Reptiles do not appear before amphibians. Birds and mammals do not appear before reptiles. Even aquatic mammals do not appear before terrestrial mammal-like reptiles. And it just so happens to also be the case that fish with tetrapod traits also predate derived tetrapods. Mammal-like reptiles predate derived mammals. Basal bird/reptile hybrids predate derived birds. Basal marine mammals with terrestrial traits predate derived aquatic mammals.
You never find a case where the succession occurs out of order or backwards.
And what order is that? Is it that "1" led to "2", to "3", to "4", to "5", etc..., and of course scientists labeled them and made the associations accordingly because of the order they appear in rock layers as:
5 <-- top
4
3
2
1 <-- bottom
The "succession" you portray is merely presuming the life forms that originally existed in 1 evolved into 2, evolved into 3, evolved into...
There is a great deal of variability and shared traits across all life and what you're repeating, at least for the 9th time without any means to substantiate, is the assumption that one form eventually evolved into the next. One can just as well argue that life is
devolving with time, there is clearly more variability that once existed, and we have fewer forms and fewer varieties today.
You suggest that God perhaps used old body plans to make new body plans such as using fish to make amphibians. In which case I'd defer back to my prior post of pondering why God would create and destroy, create, destroy, create, destroy, create, destroy ad infinitum, thousands or even millions of times over and over again.
I never suggested that God used a fish to make an amphibian.
Also, God did destroy life--that's what He said to Noah He would do and why Noah was to build the ark. Your taking what God said and imagining a create-->destroy
ad inifinitum process is an application of the
ad absurdum fallacy to simplify a concept [imagined in this case] to such an extreme that it seems so absurd that it appears nothing but logical to dismiss. So, you create a false argument, dismiss it, and in doing so, also continue to dismiss the truth... Ok. You, in fact, presume if God didn't evolve
everything from a bacterium that that the
only other option is create-->destroy repeatedly (the false dichotomy fallacy). Have you not considered that God's special revelation (His word) was given such that we would know truths that are otherwise not attained by assumptions from general revelation (observation of the created universe and world around us)? You would never conclude creation if He hadn't told you, you would never conclude a mass judgment of all life on land if He hadn't told you, you would never conclude there is a Holy Trinity if He hadn't told you, etc...
When I have discussions about origins of life with atheists in other forums, would you be surprised to find their logic is much like yours? In their [a]theistic evolution paradigm, they have to explain the origin of life, though, they have no demonstrable and data-substantiated way to support an unguided, purely materialistic process creating life. When I point to the billions of base pair amino acids and the information contained in DNA, they do exactly what you do: first there is quibbling about terminology (and don't you know they try to skirt around by equivocating and trying to assert that DNA doesn't actually contain information... citing [to their chagrin] Claude Shannon's definition of information... only to find out that yes DNA does in fact have encoded information intended to convey a message to it's RNA counterpart). Next, they try repeatedly with conjecture and rescue devices to invoke some mysterious way that information would have arisen, albeit with no data to stand on. I can throw logic at them, I can throw mathematical probabilities at them, I can throw contradictory empirical evidence at them, makes no difference--they have simply chosen to believe, by faith, that God does not exist.
Your line of reasoning is no different to me. You cannot substantiate your beliefs without having to paint a picture of never-before observed levels of change happening, story-telling analogies of kids leaving footprints in show to bridge the gaps, and no mechanisms demonstrated to support this view. You can continue to view creation as a run-on parable or as some figurative framework, and that's fine--as I said, I don't expect to change opinions - I'm just here to encourage and be encouraged by others that share the biblical worldview.
I'll await your repeat #10+