From 1953-56 in Birmingham, England, Bernard Kettlewell investigated Peppered Moth adaptation. There were two varieties of the same moth species, light, and dark type. In clean environments, the light-colored moth had active camouflage when landing on tree trunks. The dark colored were seen less in polluted environments where trees are darkened by atmospheric soot. Kettlewell proposed selective survival because birds could easily catch dark moths on clean trees, and light moths on blackened trees. This Peppered Moth story appeared in many texts as an example of Darwinian Evolution’s Natural Selection.
Later scientists revisited Kettlewell’s experiments and found some fraudulent aspects to his claims. First, the moths aren’t active during the day but rest in treetops. Second, birds cannot easily feed on them because they are active at night. Third, the pictures used in texts were dead moths glued on trees. When Evolutionists are confronted with the origin of the photos they’ve claimed, it’s standard practice to use dead insects to get better pictures. That may be true, but Kettlewell put them on the tree trunks where they DON’T land, which is deceptive.
I have been confronted many times by questioners in Q&A sessions claiming that the Peppered Moth case proves Evolution. The dialogue frequently goes like this:
Challenger: “Mr. Liebert, when I teach, my high school/college biology class the textbook shows the Peppered Moth as a proof of Evolution. The text says: “The peppered moth in England is an excellent example of Evolution in action. It shows the operation of Natural Selection in a dramatic way in a short amount of evolutionary time.” Darwin wrote in the “Origin of Species” that Natural Selection, “survival of the fittest” was an important part of this theory. Doesn’t this prove Evolution is right and Creation wrong?”
Charlie: “We start with two varieties of moth, light and dark and as time progresses one kind survives better based on the coloration of trees. If the bark is light, in the natural trees, the light ones survive. When trees are darkened by soot, more dark ones survive. Is that the case?”
Charlie: “OK. Did anything new come out of this process, any new genes or new variation?”
Challenger: “No, this is an example of Natural Selection changing the balance between the two varieties.”
Charlie: “ tThere are two types light, and dark, and one or the other is moving toward extinction because of changing environmental conditions based on the color of the tree trunks. We are losing genetic variety as the process proceeds. If one or the other becomes extinct, that type and its genetic variety will be lost and is not recoverable. Both kinds of moths existed at the beginning of observation, so there’s nothing new added. There has just been a change in the balance of who survives or who gets eaten. This whole case of Natural Selection is a downhill process, the opposite of Evolution. Two kinds exist at the beginning. One kind is moving toward extinction. That’s loss, not gain! I call that Devolution. Evolution is contradicted by this process not proven by it.”
This blog from my book ANSWERS For “The Hope That Is In You.” Charlie is also the author of Always Be Ready to Give an Answer! http://yourchristiananswers.com
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