I often hear creationist claim commonality or similarities among the living is evidence for a single common (intelligent) designer/creator. However, I have a small problem to understand exactly how ID's scientific line of evidence works here.
For instance extant tetrapods can be split in two groups, those that do not have an antorbital fenestra (mammals, turtles, amphibians and some reptiles) and those that do (basically the rest). Does the presence of an antorbital fenestra in "half" the terapods means there is two creators? Or take so diverse living beings such as starfishes, a pine trees and a squirrels. Based on the commonality argument, does that mean there is 3 creators? Or if we compare the cat kind, the dog kind, the bird kind and the fish kind, which are said to be four non-overlapping kinds, does that mean there is 4 creators? Etc, etc...
Obviously, I can go on forever with this, and derive any numbers of creators, however, my general question is: considering the difference that indicate more than one creator - what is it with similarities between living beings that justify one to conclude a single common creator?
For instance extant tetrapods can be split in two groups, those that do not have an antorbital fenestra (mammals, turtles, amphibians and some reptiles) and those that do (basically the rest). Does the presence of an antorbital fenestra in "half" the terapods means there is two creators? Or take so diverse living beings such as starfishes, a pine trees and a squirrels. Based on the commonality argument, does that mean there is 3 creators? Or if we compare the cat kind, the dog kind, the bird kind and the fish kind, which are said to be four non-overlapping kinds, does that mean there is 4 creators? Etc, etc...
Obviously, I can go on forever with this, and derive any numbers of creators, however, my general question is: considering the difference that indicate more than one creator - what is it with similarities between living beings that justify one to conclude a single common creator?
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