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Series: The Cambrian "Explosion", Transitional Forms, and the Tree of Life
Many evolutionary critics have identified the Cambrian Explosion as a stumbling block to the theory of evolution, arguing that the “expected transitions between major invertebrate phyla are absent, and that the suddenness of their appearance in the fossil record demonstrates that evolutionary explanations are not viable.” Keith Miller argues that the Cambrian Explosion is not so problematic as these opponents claim after all.
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Where are the Transitional Fossils?
A common argument leveled against the theory of evolution is that scientists have not been able to produce transitional fossils that show the change of one species into another. In this podcast, we address a common misconception about what transitional fossils actually are.
Series: The Human Fossil Record
In this series, James Kidder provides an intriguing study on transitional fossils and the evolutionary history of modern humans. He begins by discussing the fossil record, explaining how new forms are classified. He then explains the physically distinguishing trait of humankind—bipedalism. From the discovery of Ardipithecus, the earliest known hominin, to the australopithecines, the most prolific hominin, Kidder focuses on the discovery, the anatomy, and the interpretation of these ancestral remains.
In The Bones
I am a fan of the blog "Jesus Creed." Recently it published an interesting post about the transition from fins to limbs as evidenced by fossils of an organism trapped in sediment 375 million years ago.
The Cambrian 'Explosion', Transitional Forms, and the Tree of Life
Geologist Keith Miller examines the "Cambrian Explosion", a period of rapid evolutionary diversification approximately 575 million years ago, and whether it poses a challenge to evolutionary theory.
Surveying George Murphy's Theology of the Cross
If God himself is willing to die, particularly in such a gruesome way, then perhaps we should at least consider the possibility of God allowing the death of other creatures, too. But would this really be compatible with what we know of God through Scripture?
The Fossil Record
There are two opposite errors which need to be countered about the fossil record: 1) that it is so incomplete as to be of no value in interpreting patterns and trends in the history of life, and 2) that it is so good that we should expect a relatively complete record of the details of evolutionary transitions within all or most lineages.
Does the Cambrian Explosion pose a challenge to evolution?
The “Cambrian Explosion” refers to the appearance in the fossil record of most major animal body plans about 543 million years ago. The new fossils appear in an interval of 20 million years or less. On evolutionary time scales, 20 million years is a rapid burst that appears to be inconsistent with the gradual pace of evolutionary change. However, rapid changes like this appear at other times in the fossil record, often following times of major extinction. The Cambrian Explosion does present a number of interesting and important research questions. It does not, however, challenge the fundamental correctness of the central thesis of evolution.
What does the fossil record show?
Fossils provide a unique view into the history of life by showing the forms and features of life in the past. Fossils tell us how species have changed across long periods of the Earth’s history. For instance, in 1998, scientists found a fossil showing an animal at the transition from sea creature to land creature. This tetrapod had a hand-like fin, confirming a prediction of evolutionary biology. Though the fossil record does not include every plant and animal that ever lived, it provides substantial evidence for the common descent of life via evolution. The fossil record is a remarkable gift for the study of nature.
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A Plea to My Shepherds
... I would exhort these, my fellow conservative evangelical shepherds and thinkers, to set aside all reticence and fear, emerge from anonymity, and storm the forum of discourse, engaging this most pressing matter with vigor, equanimity, and humility. In doing so, know upfront that there will be few handrails to guide; you will not be building upon an extensive precedence of published conservative thought.
Denis Alexander on Understanding Creation Theology
In this video Conversation, Denis Alexander asserts that contemporary Christians are not taking the early chapters of Genesis seriously enough.
Series: Confronting Our Fears
In this series, U.S. Navy Commander Mike Beidler shares his own personal journey from accepting young-earth creationism to embracing evolutionary creationism.
Series: “And God Saw That It Was Good”: Death and Pain in the Created Order
The tension generated by our understanding of God’s character, as revealed in the Bible, and by the reality of the natural world around us has been the focus of much debate within the Christian church since the first century. This series examines critically several of the proposed solutions to this problem, viewing them from the perspective of a geologist, paleontologist, and orthodox evangelical Christian.
Oxygen and Co-Creation
In the mid-seventeenth century, John Mayow conducted a series of experiments in which he showed that burning candles in bell jars consumed one-fifth of the enclosed air before extinguishing. Remarkably, mice placed in bell jars did exactly the same thing...
Science, Christianity, and Homeschooling
Resilient learners and a robust faith can handle challenges. But the faith of the students my professor described was different— strong, but brittle; it did not have the resilience that comes through testing.
Series: Biblical and Scientific Shortcomings of Flood Geology
Gregg Davidson and Ken Wolgemuth seek to remove the stumbling block of the Genesis flood in this four part series. Though many believe in an ancient world-wide flood, the evidence given does not hold up to geological scrutiny, but points rather to something regional instead. It is their hope that Christians will not walk away from faith in Christ simply because a global flood is not supported by science. Looking at natural phenomena like the Grand Canyon, salt beds, and fossil deposits, they reveal reasons for these deposits and structures while showing that their origin did not stem from a violent flood that covered the planet.
Allaying Parental Fears About Evolution Education in Public Schools
If they left their children in the public classroom, should they as concerned parents, as committed Christians, as agents of truth and light in this dark world, remain quiet or should they speak out?
Series: Southern Baptist Voices: Evolution and Death
This exchange brings together related essays on death in light of evolution and Scripture from Southern Baptist theologian Dr. John Laing. Laing argues that evolutionary theory requires death to play a central role in the creation of new life, but sees Scripture depicting death only "as an invader, disturber of peace, and a force of evil." A BioLogos response is given by Dr. Jeff Schloss.
Hominids Lived Millions of Years Ago, but How Can We Tell? (Videocast)
This BioLogos videocast addresses the age of recently discovered hominid fossils and how scientists are able to obtain those dates.
Series: The Meaning of mîn in the Hebrew Old Testament
The related ideas of the “fixity of species” and “natural kinds” have been prominent in the science and faith conversation. Some Christians take Genesis to mean that God created (bara) fixed species (mîn). But does the text truly indicate such a concept? Biblical scholar Dr. Richard Hess looks at the Biblical context and meaning of the Hebrew mîn, and suggests that when Christians use it to frame our understanding of the entire created order, we may be asking too much of this single word.