Biological Evolution and Christian Thought

Naturalistic Darwinism

Abstract

On the naturalistic reading, Darwin's achievement was to show how the appearance of purpose in living things can arise without any purposing intelligence. Natural selection acting on heritable, undirected variation "accumulates" beneficial differences, so that "instead of the advantage resulting from a designed arrangement, the appearance of arrangement results from the advantage." Adaptation, the traditional evidence for design, becomes a product of law and chance. For Huxley the further consequence is corrosive: the Genesis creation narrative, read naturally, is simply false, and the authority claimed for it collapses.

Formal statement

1. Adaptive complexity in organisms is real and demands explanation.
2. Natural selection acting on heritable variation that is undirected (not generated for the sake of future utility) produces adaptive complexity through the cumulative preservation of favorable variants.
3. A cause adequate to the explanandum, invoking only natural law and chance, makes a designing intelligence explanatorily superfluous.
4. Therefore adaptation is not evidence of design, and the natural-theology inference from biological contrivance to a Creator fails.

Key evidence / textual basis

Darwinism's central novelty was to displace the reigning alternative — natural theology. The SEP is explicit that Darwin defined his notion of undirected variation precisely against the design tradition: "The most widely shared alternative was that found in natural theology. To quote the Reverend William Paley's Natural Theology, regarding a beautiful instance of adaptation: 'A conformation so happy was not the gift of chance'" (SEP 'Darwinism' §3.1). Where Paley read happy conformation as design, Darwin read it as the accumulated residue of chance variation filtered by selection — a "particular kind of teleological" appearance that is, in the end, only an appearance (SEP 'Darwinism' §3.3).

Charles Darwin himself, raised among Enlightenment "free thinkers" and taught early evolutionary ideas by Robert Grant at Edinburgh (SEP 'Darwinism' §2.1), was cautious in print about theological implications. It was Thomas Henry Huxley — "Darwin's bulldog" — who drew the sharp anti-orthodox conclusion. In the Prologue to Science and Christian Tradition he states the discordance flatly: "The first chapter of Genesis teaches the supernatural creation of the present forms of life; modern science teaches that they have come about by evolution," so that "far from confirming the account in Genesis, the results of modern science… are in principle, as in detail, hopelessly discordant with it" (Huxley 1893, Prologue). A "non-natural sense may, with a little trouble, be manipulated into some sort of noncontradiction," but Huxley regards this as the "merest ostrich policy"; the only question is "whether, from the point of view of scientific method, they are irrefragably true" (Huxley 1893, Prologue).

Leading proponents

• Charles Darwin — architect of the theory; in corpus via the SEP 'Darwinism' entry, which reconstructs his mature position from the Origin.
• Thomas Henry Huxley — in corpus (Science and Christian Tradition) for the explicit inference from evolution to the falsity of the Genesis narrative and the incompetence of biblical infallibility claims.
• Richard Dawkins — contemporary popularizer of the "blind watchmaker" reading (not in corpus; referenced in SEP 'Creationism' §2).

Strongest counter-arguments

The naturalistic inference from "selection explains adaptation" to "design is refuted" is a philosophical move, not a biological result, and it is contested at that level. First, the argument overreaches: showing that a secondary mechanism produces adaptation leaves untouched the question of why there is any lawlike, life-permitting cosmos for selection to operate in — the theist relocates design from the organism to the framework (the fine-tuning route; see Origin of the Universe). Second, Orr's rejoinder — that common descent "does not affect the means by which this development may be supposed to be brought about" (Orr 1893, Lecture III) — denies premise 3: a lawlike evolutionary process can itself be the medium of design rather than its competitor. Third, Huxley's own hermeneutical premise (that Genesis must be read "in the natural sense of the words") is precisely what the accommodationist tradition, from Augustine forward, rejects as a misreading of the genre.

Responses

Naturalists reply that relocating design to the cosmic framework concedes the biological point and retreats to cosmology, where the multiverse reply awaits (see Origin of the Universe). To Orr they reply that a God who works only through undirected natural processes is empirically indistinguishable from no God — the "empirically imperceptible" divine direction that even sympathetic critics find "not intellectually impressive" (SEP 'Creationism' §6). Theists rejoin that the doctrine of creation was never a scientific hypothesis about mechanism in the first place.

Assessment

Assessment: Strong (as biology) — the evolutionary account of adaptation is among the best-confirmed theories in science, and the naturalistic reading is the default in the scientific literature. But the further step from the biology to the refutation of theism is philosophical and defeasible; it is resisted not only by theists but by many naturalist philosophers who regard methodological naturalism as religiously neutral.

Theistic Evolution / Evolutionary Creation

Abstract

Theistic evolution (increasingly "evolutionary creation") accepts the full evolutionary picture — an old Earth, common descent, natural selection — and interprets it as the mode by which God creates. Divine action is non-interventionist: God creates "indirectly, through the laws of nature." The position has deep roots: James Orr, writing in 1893 within conservative Presbyterianism, already judged evolution "extremely probable" and argued that it enlarges rather than destroys the design argument. Its live problems are theological rather than biological, centering on the historical Adam, original sin, and the imago Dei.

Formal statement

1. God creates and sustains the world, ordinarily acting through the regular laws of nature (general/indirect divine action).
2. The evolutionary process — common descent driven by natural selection and other modes — is one such lawlike, God-ordained process.
3. Therefore evolution is not a rival to creation but its instrument; the theological content of Genesis (creaturely dependence, the goodness of creation, human vocation) is preserved without a literal chronology.

Key evidence / textual basis

The contemporary taxonomy places theistic evolution on a "divine action spectrum": "Theistic evolutionists hold a non-interventionist approach to divine action: God creates indirectly, through the laws of nature (e.g., through natural selection)" — with John Haught reading providence as "self-giving love" that "fosters creaturely autonomy," consistent with a doctrine of creation that "says nothing about the age of the Earth, nor… a mode of creation" (SEP 'Religion and Science' §3.1). Ps 104:24-30 (bib) — "when you send forth your Spirit, they are created" — warrants creation as God's continuous, mediated activity rather than a single completed act.

The historical anchor in our corpus is James Orr. In The Christian View of God and the World he concedes organic descent: "within certain limits, it seems to me extremely probable, and supported by a large body of evidence" (Orr 1893, Lecture III). Crucially, he denies that this undermines theism: "the facts of evolution do not weaken the proof from design, but rather immensely enlarge it by showing all things to be bound together in a vaster, grander plan than had been formerly conceived" (Orr 1893, Lecture III). Orr distinguishes the fact of "a genetic relationship of some kind between the different species" from the disputed means of that development (Orr 1893, Lecture III) — a distinction that lets him accept common descent while withholding assent from a purely fortuitous mechanism, "to ask us to believe that accident and fortuity have done the work of mind."

That the tradition never required literalism is the historical backbone here. The SEP notes that Augustine and even earlier thinkers "recognized that at times the Bible needs to be taken metaphorically or allegorically" (SEP 'Creationism' §1). Basil already read "the beginning" as "indivisible and instantaneous" — "the beginning of time is not yet time and not even the least particle of it" (Basil, Hexaemeron I.6) — and insisted the point is that creation "drew its origin from God" (Basil, Hexaemeron I.1), not a chronometric report.

Leading proponents

• James Orr — in corpus (The Christian View, Lecture III) for the seminal conservative-Protestant accommodation of evolution.
• John Haught — contemporary Catholic theologian; providence as self-giving love (not in corpus; via SEP 'Religion and Science' §3.1).
• Denis Lamoureux / Pierre Teilhard de Chardin — evolutionary-creation and teleological-progressive readings (not in corpus; Teilhard via SEP 'Religion and Science' §3.2).

Strongest counter-arguments

The gravest objections are internal-theological, concerning humanity. First, the historical Adam. Paleoanthropology indicates that Homo sapiens descends from a population, not a single couple, with an African origin and gene-flow from other hominins; this "challenges traditional religious accounts… including the special creation of humans, the imago Dei, the historical Adam and Eve, and original sin," and John Schneider presses that "there is no genetic or paleoanthropological evidence for such a community of superhuman beings" in a prelapsarian state (SEP 'Religion and Science' §3.2). Rom 5:12-14 (bib) — sin and death entering "through one man" — appears to presuppose the very individual the science makes doubtful; Gen 2:7 (bib) narrates a direct handcrafting of man "from the dust." Second, Huxley's charge that a God whose action is only indirect is empirically idle. Third, the problem of evil sharpens: a process driven by struggle, predation, and extinction demands that theodicy account for "evil as a natural feature of creation."

Responses

Theistic evolutionists reply on several fronts. On Adam, van Inwagen and Jamie K. Smith argue that "God could have providentially guided hominin evolution until there was a tightly-knit community of primates, endowed with reason, language, and free will… in close union with God," who then "abused their free will" — preserving an Augustinian Fall within an evolutionary population (SEP 'Religion and Science' §3.2). Others (Deane-Drummond) reconceive the Fall as "a mythical, rather than a historical event." On divine idleness, they answer that non-interventionist action is not no action but the ordinary providential mode long affirmed by classical theism; Alston notes that even a deterministic, law-governed world is one in which "every event is an indirect divine act" (SEP 'Religion and Science' §3.1). On evil, Haught's autonomy-of-creation theodicy and Irenaean "soul-making" frameworks (see The Fine-Tuning Argument and the problem-of-evil literature) carry the weight.

Assessment

Assessment: Strong — theistic evolution is the majority position among Christians engaged with the sciences and the one best integrated with the biological evidence; it inherits a long accommodationist pedigree (Augustine, Basil, Orr). Its live frontier is not biology but the theology of the Fall and the historical Adam, where the debate remains genuinely open.

Old-Earth / Progressive Creation

Abstract

Old-earth (progressive) creationism accepts the geological and cosmological evidence for deep time — an Earth billions of years old — but resists unbroken common descent, especially for humanity. On this view God acts by a series of special creative interventions across the ages, producing the fossil sequence not by descent with modification but by successive creations. It occupies the middle of the divine-action spectrum: accepting the age of the Earth and much of geology while rejecting the sufficiency of natural selection to bridge the major "kinds."

Formal statement

1. The physical and geological evidence for an ancient universe and Earth is sound and should be accepted.
2. Natural selection is real but insufficient to produce the higher taxa or humanity from common ancestors.
3. God therefore intervened at intervals with special creative acts (interpreting the "days" of Gen 1 as ages, epochs, or a literary framework).
4. Therefore an old Earth is affirmed while full common descent is denied.

Key evidence / textual basis

The position is charted in the SEP's divine-action spectrum: "Within creationism, there are Old and Young Earth creationism, with the former accepting geology and rejecting evolutionary biology, and the latter rejecting both" (SEP 'Religion and Science' §3.1). Its exegetical enabling condition is the tradition's flexibility over the meaning of "day": the SEP notes that among creationists there is "debate on the meaning of 'day' in this context, with some insisting on a literal twenty-four hours, and others more flexible" (SEP 'Creationism' preamble). William Jennings Bryan — popularly cast as an arch-literalist — in fact "thought that the days of Creation are long periods of time" and may have accepted some evolution apart from humans (SEP 'Creationism' §1), illustrating the day-age reading that underwrites progressive creation.

The biblical texts admit this reading. Gen 1:1-2:3 (bib) uses the refrain "evening and morning" but also, at the seventh "day," omits that refrain — a datum day-age readers take to license a non-24-hour construal. Basil's insistence that God "made summarily… all at once and in a moment" (Basil, Hexaemeron I.6) shows patristic readers were already untroubled by strict chronology.

Corpus note: Our public-domain corpus contains no primary old-earth / progressive-creation literature (e.g., Hugh Ross's Reasons to Believe material, or the nineteenth-century day-age geologists such as Hugh Miller). This view is compiled from the SEP's secondary treatment and from the tradition's exegetical range; specific proponents await ingestion.

Leading proponents

• Hugh Ross — contemporary old-earth, progressive-creation astronomer (not in corpus).
• William Jennings Bryan (as day-age sympathizer) — attested via SEP 'Creationism' §1; not in corpus.
• Nineteenth-century "day-age" geologists (e.g., Hugh Miller) — not in corpus.

Strongest counter-arguments

First, from biology: the very evidence old-earth creationists accept for deep time — the ordered fossil succession, radiometric convergence, molecular phylogenies — is precisely the evidence that supports common descent, so accepting the geology while denying descent looks ad hoc. The SEP notes that mainstream science treats the record as continuous enough that "we do not find fossils out of order" and that "the record is not that gappy" (SEP 'Creationism' §2). Second, the position multiplies special interventions where a single lawlike process suffices, inviting the "God-of-the-gaps" charge that theistic evolution avoids. Third, it inherits the historical-Adam problem in the same form as theistic evolution, without the latter's resources of full common descent (see James Orr's "genetic relationship of some kind").

Responses

Progressive creationists reply that the fossil "gaps" — especially the abrupt appearance of major body plans — mark genuine discontinuities descent has not been shown to bridge, so intervention there is principled rather than gap-filling. They follow the physical evidence where it is strong (geochronology) while withholding assent where they judge the mechanism unproven (macroevolutionary transitions). Critics rejoin that this draws the line by theological preference, not evidence.

Assessment

Assessment: Live — old-earth creationism is a coherent and widely held mediating position that concedes deep time while contesting common descent. Scientifically it is under pressure from the same phylogenetic evidence it partly accepts; theologically it is more conservative than theistic evolution on human origins. Our corpus lacks its primary literature.

Young-Earth Creationism

Abstract

Young-earth creationism (YEC) reads Gen 1 as six literal 24-hour days and dates creation to roughly 6,000-10,000 years ago, explaining the fossil record by a global Noahic flood and the radiometric evidence by rejecting uniformitarian assumptions. Codified for the modern movement by Whitcomb and Morris's The Genesis Flood (1961), it is a minority position in academic theology and a fringe position in geology, cosmology, and biology. It should be represented at full strength and engaged, not caricatured.

Formal statement

1. Gen 1 narrates six consecutive 24-hour days of creation.
2. The biblical genealogies date the creation to c. 6,000-10,000 years ago (Ussher's ~6,000).
3. A global Flood and "apparent age" account for the geological, fossil, and radiometric evidence.
4. Therefore the Earth is young and macroevolution and deep time are false.

Key evidence / textual basis

The SEP situates YEC historically: it "present[s] themselves as the true bearers… of authentic, traditional Christianity, but historically speaking this is simply not true" (SEP 'Creationism' §1); full-blooded literalism is a relatively late, largely American development. The movement's charter text is described directly: Whitcomb and Morris "argued that every bit of the Biblical story of creation given in the early chapters of Genesis is supported fully by the best of modern science. Six days of twenty-four hours, organisms arriving miraculously, humans last, and… a massive world-wide flood" (SEP 'Creationism' §2). The SEP catalogues the standard YEC arguments — evolution as "only a theory," selection as tautology, mutation as too improbable, fossil gaps, thermodynamics — together with the mainstream replies (SEP 'Creationism' §2). Scripturally, YEC reads Gen 1:1-2:3 (bib) as strict chronology, takes Gen 2:7 (bib) as a direct, recent creation of the first man, and reads Rom 5:12-14 (bib) as requiring a historical Adam whose sin brought physical death.

Corpus note: Our public-domain corpus does not contain primary young-earth literature — Whitcomb and Morris's The Genesis Flood (1961), Ken Ham, and Duane Gish's Evolution: The Fossils Say No! are not in corpus (though Henry M. Morris has a profile). This view is therefore compiled from the SEP's 'Creationism' entry, which surveys the position from the outside; primary YEC sources await ingestion, exactly as in Origin of the Universe.

Leading proponents

• Henry M. Morris — co-author of The Genesis Flood (1961); profile exists, primary work not in corpus.
• John C. Whitcomb — biblical-scholar co-author (not in corpus).
• Ken Ham / Duane Gish — Answers in Genesis and the Institute for Creation Research (not in corpus).

Strongest counter-arguments

First, convergent dating: radiometric methods on meteorites, lunar samples, and terrestrial rocks independently yield ~4.5 Gyr, and cosmology yields ~13.8 Gyr — orders of magnitude beyond the YEC timescale. Second, the fossil record: contrary to flood-sorting, "we do not find fossils out of order… humans are never found down with the dinosaurs" (SEP 'Creationism' §2), and hominin fossils (Australopithecus, Homo spp.) document a branching human lineage (SEP 'Religion and Science' §3.2). Third, the legal-scientific verdict: the Arkansas and Louisiana cases held that "Creation Science is not science, it is religion" (SEP 'Creationism' §4). Fourth — and most telling within the tradition — the hermeneutical objection: the church's own witnesses read the days non-literally long before Darwin. Basil calls the beginning "indivisible and instantaneous" (Basil, Hexaemeron I.6), and Augustine "was eager to help his fellow believers from getting ensnared in the traps of literalism" (SEP 'Creationism' §1). Even Huxley's demand that Genesis be read "in the natural sense of the words" (Huxley 1893, Prologue) is, ironically, the same wooden literalism the patristic tradition avoided — YEC shares Huxley's hermeneutic and merely reverses his verdict.

Responses

YEC defenders reply (i) that radiometric dating presupposes uniformitarian, constant-decay assumptions that are contestable; (ii) that "flood geology" reorders the strata by hydraulic and ecological sorting; (iii) that creation "with apparent age" is coherent (Adam was made mature); and (iv) that the "evening and morning, the nth day" structure privileges a 24-hour reading, with a historical Adam doctrinally load-bearing for Rom 5. The SEP records that the movement has itself absorbed large amounts of within-"kind" change, distinguishing rejected "macroevolution" from accepted "microevolution" (SEP 'Creationism' §3).

Assessment

Assessment: Fringe — YEC is a fringe position in the natural sciences and a minority in academic theology, though held sincerely by a large popular constituency. Its scientific claims are rejected by the convergent evidence of geology, physics, and biology, and its hermeneutic is not the historic default of the tradition. This article represents it via the SEP's secondary treatment, primary sources awaiting ingestion.