@neologist,
I suppose if only one fossil shows up in the record it may be a more open debate. However, fish-to amphibians is a well documented sequence of transitional fossils that are clearly fossils of fish-- then mostly fish---then fish with some amphibian traits---and then amphibians with fish like features. When amphibians show up in the fossil record they "calde themselves out as primitive to more advanced forms (all seemingly arranged by time and geography).
The fossil "fish with developing feet" which was Tiktaliik, also cpntained several other more tetrapod features, like a neck vertebral segment and a head that was moveable (no fish has that, even mudskippers). It had eyes on top of its head, it had clear bone structures that show a developing set of "legs" (not whip features or actual fins like mudskippers or snakehead fish or walking catfish.
There are hundreds of "tranitional" fossils that occupy limited temporal and geographic ranges and these can easily be interpreted and dated and we see how well they fit an evolutionry model. Even insects and plants show transitional fossils that allow scientists to asses the path that these organisms took through time.
Science is at a point where we are able to predict with fair accuracy what kind of fossils we may expect to find in any known mapped sedimentary unit. No one has yet found a :Drowned elephant: in the Cambrian seas, or a trilobite fossil past the mid prmian, or Dinosaurs past the late Cretaceous. I remember gunga (I think) who said that'of course dinos are at the end of the Cretceous because youve defined that as the terminal Creataceous "> That may be true to a point, but there is so much other data that demos the accurate dates of any volcanic or metamorphic deposits of that age, and several unique geologic features (including a terminal layer of iridium and two other rarer elements that occur in consistent ratios worldwide.).
The neat thing about science is that it WORKS, and as far as my career, its provided me with some really powerful tools that allow me accurate mapping and location of resources that require stratigraphy and paleontological data to be RIGHT.
Try that with any Creationist or ID expansion of data. The only ones even close are the IDers who subscribe to a "theistic evolution"> The many scientists who claim acceptance of science flavored by religion are still unable to present ANY evidence for the religious half of their toolbox. I usually try to be polite and only get testy when , in public, these guys try to abscond with facts and begin to insert fact-free opinions about their beliefs.
IDers have but one hurdle to clear(so Ive been told)> If they can show a simple sign of "intelligence" regarding life on the planet, theyre home.
Im still waiting . The Discovery Institute, in its 1999 Wedge Documen, promised research results and scientific data about intelligence in the UNIVERSE, yet theyve failed so far. (I dont even know whether these "Wedgies" even are around anymore)
I cant force you to accept anything that you wish to not accept. However, thats sorta what this whole thread has been about.