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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.

 

What evidence do we have for evolution besides fossils and genes?

Scientists have found multiple lines of evidence for evolution, not just one or two. These types of evidence are independent of each other, coming from sources as different as ancient fossils and modern genetics labs. Evidence also comes from comparing the anatomy of creatures living today. All creatures with four limbs (whether mammals, birds, or reptiles) have the same bone structure in each limb, pointing to their descent from a common ancestor. More evidence comes from biogeography. Isolated islands are missing common species found on the mainland, but are filled with many unique species that can be related by a common ancestor. Finally, evidence comes from embryonic development. As an embryo of a mammal grows, its heart develops through stages similar to fish, amphibians, and reptiles. God’s creation declares the history of life in many different ways. All these ways are pointing to a consistent picture of God creating through evolution.

 

What scientific evidence do we have about the first humans?

In recent decades, scientists have discovered more about the beginnings of humanity. The fossil record shows a gradual transition over 5 million years ago from chimpanzee-size creatures to hominids with larger brains who walked on two legs. Later hominids used fire and stone tools and had brains as large as modern humans. Fossils of homo sapiens in east Africa date back nearly 200,000 years. Humans developed hearths for fire, stone points for spears and arrows, and cave paintings by 30,000 years ago. By 10,000 years ago, humans had spread throughout the globe. Genetic studies support the same picture. Humans share more DNA with chimpanzees than with any other animal, suggesting that humans and chimps share a relatively recent common ancestor. Also, the same defective genes appear in both humans and chimps, at the same locations in the genome—an observation difficult to explain except by common ancestry. Genetics also tells us that the human population today descended from more than two people. Evolution happens not to individuals but to populations, and the amount of genetic diversity in the gene pool today suggests that the human population was never smaller than several thousand individuals. Yet all humans, of all races, are descended from this group. Humanity is one family.

 

What is the genetic evidence for evolution?

Darwin developed his theory of evolution by looking at scientific evidence available in the mid-1800s. Since then, the whole field of genetics has developed, adding a powerful independent line of evidence in support of evolution. Genes show how the physical traits of living things are handed down and modified from one generation to the next. By comparing the DNA of many organisms, scientists can map the relationships between species. This map is in remarkable agreement with Darwin’s predictions. The structure of chromosomes and particular genetic sequences point to the conclusion not just of common design, but common descent as well.

 

Why should Christians consider evolutionary creation?

Because evolution is a challenging subject, many Christians are tempted to simply ignore or reject it. Yet considering evolutionary creation has important benefits for Christians both in our relationship with the Creator, and with our relationships with other people—believers and non-Christians alike. First, Christians should study evolution because (like all the natural sciences) it is the study of God’s creation. Creation itself is a complementary revelation to what is communicated in the Scriptures, and through it God shows how and when he brought about life, to his honor and glory. Studying the creation is also an invitation into a deeper understanding of the attributes and character of Father, Son and Spirit. Second, considering evolutionary creation aids the Church in its gospel mission, supporting young Christians in their faith, helping answer critics, and equipping us to engage effectively in the wider culture. An anti-evolution attitude can harm Christian young people by presenting them with a false choice between pursuing science OR holding to faith. Similarly, a hostile attitude towards evolution can hinder evangelism when seekers hear that they must reject science to follow Christ. On the other hand, studying evolution as a God-ordained process helps Christians refute arguments that science encourages an atheistic worldview. Furthermore, as the church engages front-page issues raised by the rapid growth in science, medicine, and technology, a Christ-centered voice in such areas as bioethics will be stronger if based on a thorough understanding of the natural sciences, including evolution.

(Updated on September 9, 2012)

 

Where is the Genetic Evidence for Evolution?

The discovery of DNA has revolutionized our understanding of common descent, particularly in the past few decades. Mutated genes spread through populations over generations, leading to evolutionary change. In this podcast, we look at several examples of genetic evidence for evolution.

 

"Centered": The Language of Science and Faith

In a recent interview with the Sirius XM radio show Centered, Karl Giberson sat down with host Don Belanus to discuss the book The Language of Science and Faith.

 

From Intelligent Design to BioLogos

In this paper, Venema tells the story of his transition from support of Intelligent Design to the view that God uses evolution as a creative mechanism.

 

How Does the BioLogos Model Need to Address Concerns About Science?

Many barriers to the acceptance of the BioLogos model by evangelical Christians arise from popular misconceptions about the nature of science and its relationship to God's action in our world.

 

How Does a BioLogos model need to address the theological issues

Science and Religion scholar Denis Alexander presents two models for relating Adam and Eve with the findings of contemporary anthropology. This essay was presented at the November 2010 Theology of Celebration Workshop

 

Genesis and the Genome

This article provides an overview of genomics evidence for common ancestry and hominid population sizes, and briefly discusses the implications of these lines of evidence for scientific concordist approaches to the Genesis narratives.

 

Barriers to Accepting Creation by an Evolutionary Process: Concerns of the Evangelical Theologian

Renowned Old Testament scholar Bruce Waltke considers eleven barriers that prevent evangelical theologians from accepting evolution as a possible means of creation and what these barriers tell us about the tensions perceived by many Evangelicals between science and faith. Waltke's work was based on a survey sent to members of the Fellowship of Evangelical Seminary Presidents and their faculty.

 

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.

 

How is BioLogos different from Evolutionism, Intelligent Design, and Creationism?

We at BioLogos believe that God used the process of evolution to create all the life on earth today. While we accept the science of evolution, we emphatically reject evolutionism. Evolutionism is the atheistic worldview that says life developed without God and without purpose. Instead, we agree with Christians who adhere to Intelligent Design and Creationism that the God of the Bible created the universe and all life. Christians disagree, however, on how God created. Young Earth Creationists believe that God created just 6,000 to 10,000 years ago and disagree with much of mainstream science. Supporters of Intelligent Design accept more of evolutionary science, but argue that some features of life are best explained by direct intervention by an intelligent agent rather than by God's regular way of working through natural processes. We at BioLogos agree with the modern scientific consensus on the age of the earth and evolutionary development of all species, seeing these as descriptions of how God created. The term BioLogos comes from the Greek words bios (life) and logos (word), referring to the opening of the Gospel of John. “In the beginning was the Word, and the Word was with God, and the Word was God. He was with God in the beginning. Through him all things were made.”
(Updated on March 1, 2012)

14 resources found