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  • Has All Life Descended From a Common Ancestor?
    The Origin of Life—Five Questions Worth Asking
    • WHAT ABOUT THE FOSSIL RECORD?

      Many scientists point to the fossil record as support for the idea that life emerged from a common origin. They argue, for example, that the fossil record documents the notion that fish became amphibians and reptiles became mammals. What, though, does the fossil evidence really show?

      “Instead of finding the gradual unfolding of life,” says evolutionary paleontologist David M. Raup, “what geologists of Darwin’s time, and geologists of the present day actually find is a highly uneven or jerky record; that is, species appear in the sequence very suddenly, show little or no change during their existence in the record, then abruptly go out of the record.”32

      In reality, the vast majority of fossils show stability among types of creatures over extensive amounts of time. The evidence does not show them evolving from one type into another. Unique body plans appear suddenly. New features appear suddenly. For example, bats with sonar and echolocation systems appear with no obvious link to a more primitive ancestor.

      In fact, more than half of all the major divisions of animal life seem to have appeared in a relatively short period of time. Because many new and distinct life forms appear so suddenly in the fossil record, paleontologists refer to this period as “the Cambrian explosion.” When was the Cambrian period?

      Let us assume that the estimates of researchers are accurate. In that case, the history of the earth could be represented by a time line that stretches the length of a soccer field (1). At that scale, you would have to walk about seven eighths of the way down the field before you would come to what paleontologists call the Cambrian period (2). During a small segment of that period, the major divisions of animal life show up in the fossil record. How suddenly do they appear? As you walk down the soccer field, all those different creatures pop up in the space of less than one step!

      A time line the length of a soccer field shows the beginning of earth’s history to the so-called Cambrian explosion

      The relatively sudden appearance of these diverse life forms is causing some evolutionary researchers to question the traditional version of Darwin’s theory. For example, in an interview in 2008, evolutionary biologist Stuart Newman discussed the need for a new theory of evolution that could explain the sudden appearance of novel forms of life. He said: “The Darwinian mechanism that’s used to explain all evolutionary change will be relegated, I believe, to being just one of several mechanisms​—maybe not even the most important when it comes to understanding macroevolution, the evolution of major transitions in body type.”33

      PROBLEMS WITH THE “PROOF”

      Fossils as shown in some textbooks and shown to scale

      Why do some textbooks change the scale of the fossils that they depict as following a proposed sequence?

      Above left: scale of fossils as shown in some textbooks

      Above right: real relative size

      What, though, of the fossils that are used to show fish changing into amphibians, and reptiles into mammals? Do they provide solid proof of evolution in action? Upon closer inspection, several problems become obvious.

      First, the comparative size of the creatures placed in the reptile-to-mammal sequence is sometimes misrepresented in textbooks. Rather than being similar in size, some creatures in the series are huge, while others are small.

      A second, more serious challenge is the lack of proof that those creatures are somehow related. Specimens placed in the series are often separated by what researchers estimate to be millions of years. Regarding the time spans that separate many of these fossils, zoologist Henry Gee says: “The intervals of time that separate the fossils are so huge that we cannot say anything definite about their possible connection through ancestry and descent.”34c

      Commenting on the fossils of fish and amphibians, biologist Malcolm S. Gordon states that the fossils found represent only a small, “possibly quite unrepresentative, sample of the biodiversity that existed in these groups at those times.” He further says: “There is no way of knowing to what extent, if at all, those specific organisms were relevant to later developments, or what their relationships might have been to each other.”35d

      A graph showing supposed relationships between different kinds of animals

      WHAT DOES THE “FILM” REALLY SHOW?

      An article published in National Geographic in 2004 likened the fossil record to “a film of evolution from which 999 of every 1,000 frames have been lost on the cutting-room floor.”36 Consider the implications of that illustration.

      A reel of film and a few frames from the film

      If “95 frames” of the fossil record show that animals do not evolve from one type into another, why do paleontologists arrange the remaining “5 frames” to imply that they do?

      Imagine that you found 100 frames of a feature film that originally had 100,000 frames. How would you determine the plot of the movie? You might have a preconceived idea, but what if only 5 of the 100 frames you found could be organized to support your preferred plot, while the other 95 frames tell a very different story? Would it be reasonable to assert that your preconceived idea of the movie was right because of the five frames? Could it be that you placed the five frames in the order you did because it suited your theory? Would it not be more reasonable to allow the other 95 frames to influence your opinion?

      How does that illustration relate to the way evolutionists view the fossil record? For years, researchers did not acknowledge that the vast majority of fossils​—the 95 frames of the movie—​showed that species change very little over time. Why the silence about such important evidence? Author Richard Morris says: “Apparently paleontologists had adopted the orthodox idea of gradual evolutionary change and had held onto it, even when they discovered evidence to the contrary. They had been trying to interpret fossil evidence in terms of accepted evolutionary ideas.”37

      “To take a line of fossils and claim that they represent a lineage is not a scientific hypothesis that can be tested, but an assertion that carries the same validity as a bedtime story​—amusing, perhaps even instructive, but not scientific.”​—In Search of Deep Time—​Beyond the Fossil Record to a New History of Life, by Henry Gee, pp. 116-117

      What about evolutionists today? Could it be that they continue to place fossils in a certain order, not because such a sequence is well-supported by the majority of fossil and genetic evidence, but because doing so is in harmony with currently accepted evolutionary ideas?e

  • Has All Life Descended From a Common Ancestor?
    The Origin of Life—Five Questions Worth Asking
    • WHAT THE FOSSIL EVIDENCE ACTUALLY SHOWS

      Fact: At the beginning of the 20th century, all the fossils that were used to support the theory that humans and apes evolved from a common ancestor could fit on a billiard table. Since then, the number of fossils used to support that theory has increased. Now it is claimed that they would fill a railroad boxcar.38 However, the vast majority of those fossils consist only of single bones and isolated teeth. Complete skulls​—let alone complete skeletons—​are rare.39

      Question: Has the increased number of fossils attributed to the human “family tree” settled the question among evolutionary experts as to when and how humans evolved from apelike creatures?

      Answer: No. In fact, the opposite is true. When it comes to how these fossils should be classified, Robin Derricourt of the University of New South Wales, Australia, wrote in 2009: “Perhaps the only consensus now is that there is no consensus.”40 In 2007 the science journal Nature published an article by the discoverers of another claimed link in the evolutionary tree, saying that nothing is known about when or how the human line actually emerged from that of apes.41 Gyula Gyenis, a researcher at the Department of Biological Anthropology, Eötvös Loránd University, Hungary, wrote in 2002: “The classification and the evolutionary place of hominid fossils has been under constant debate.”g This author also states that the fossil evidence gathered so far brings us no closer to knowing exactly when, where, or how humans evolved from apelike creatures.42

  • Has All Life Descended From a Common Ancestor?
    The Origin of Life—Five Questions Worth Asking
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