What is the Intelligent Design Theory?
Question: "What is the Intelligent Design Theory?"
Answer: The Intelligent Design Theory says that “intelligent causes are necessary to explain the complex, information-rich structures of biology and that these causes are empirically detectable” (William Dembski, Intelligent Design, Downer’s Grove, Illinois: InterVarsity, 1999, p. 106).
Certain biological features defy the standard Darwinian “random-chance” explanation. They appear to have been designed. Since design logically necessitates an intelligent designer, the appearance of design is cited as prove for a Designer. There are three primary arguments in the Intelligent Design Theory: (1) irreducible complexity, (2) specified complexity, and (3) the anthropic principle.
(1) Irreducible complexity is defined by Michael Behe in his book "Darwin's Black Box" as "...a single system which is composed of several well-matched interacting parts that contribute to the basic function, wherein the removal of any one of the parts causes the system to effectively cease functioning." Simply put, life is comprised of intertwined parts that rely on each other in order to be useful. Random mutation may account for the development of a new part, but it cannot account for the concurrent development of multiple parts necessary for a functioning system. For example, the human eye is obviously a very useful system. Without the eyeball (which is itself an irreducibly complex system), the optic nerve, and the visual cortex, a randomly mutated eye would actually be counterproductive to the survival of a species, and would therefore be eliminated through the process of natural selection. An eye is not a useful system unless all its parts are present and functioning properly at the same time.
(2) Specified complexity is the concept that since specified complex patterns can be found in organisms, that some form of guidance must have accounted for their origination. The specified complexity argument states that it is impossible for complex patterns to be developed through random processes. For example, a room filled with 100 monkeys and 100 typewriters may eventually produce a few words, or maybe even a sentence, but it would never produce a Shakespearean play. And how much more complex is biological life than a Shakespearean play?
(3) The anthropic principle states that the world and universe are "fine-tuned" to allow for life on earth. If the ratio of elements in the air of the earth was altered slightly, many species would very quickly cease to exist. If the earth were a few miles closer or further away from the sun, many species would cease to exist. The existence and development of life on earth requires so many variables to be perfectly in tune that it would be impossible for all the variables to come into being through random, uncoordinated events.
While the Intelligent Design Theory doesn’t presume to identify the source of intelligence (whether it be God or UFOs, etc.), the vast majority of Intelligent Design Theorists are Theists. They see the appearance of design which pervades the biological world as prove for the existence of God. There are however a few Atheists who can’t deny the strong prove for design, but aren’t willing to acknowledge a Creator God. They tend to interpret the data as prove that earth was seeded by some sort of master race of extraterrestrial creatures (space aliens).
The Intelligent Design Theory is not Biblical Creationism. There is an important distinction between the two positions. Biblical Creationists begin with a conclusion: that the Biblical account of creation is reliable and correct; that life on Earth was designed by an Intelligent Agent (God). They then look for prove from the natural realm to support this conclusion. Intelligent Design Theorists begin with the natural realm and reach their conclusion subsequently: that life on Earth was designed by an Intelligent Agent (whoever that might be).
Recommended Resource: Intelligent Design 101: Leading Experts Explain the Key Issues Edited by H. Wayne House .
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