The Structure of Evolutionary Theory

The Essence of Darwinism and the Basis of Modern Orthodoxy 145 In a sense, the specter of directed variability threatens Darwini ...

146 THE STRUCTURE OF EVOLUTIONARY THEORY modal form.) Only under these stringent conditions can natural selection—a force that m ...

The Essence of Darwinism and the Basis of Modern Orthodoxy 147 The premises of Darwin's theory (the branches and sub-branches of ...

148 THE STRUCTURE OF EVOLUTIONARY THEORY comes vitally important because selective quotation represents the most common error ma ...

The Essence of Darwinism and the Basis of Modern Orthodoxy 149 reference to natural selection. Gradualism had been equated with ...

150 THE STRUCTURE OF EVOLUTIONARY THEORY validates evolution itself (vs. creationism), but not Darwin's, or anyone else's, propo ...

The Essence of Darwinism and the Basis of Modern Orthodoxy 151 formulation: "Natural selection can only act by the preservation ...

152 THE STRUCTURE OF EVOLUTIONARY THEORY Chapter 9 on geological evidence, where the uninitiated might expect to find a strong d ...

The Essence of Darwinism and the Basis of Modern Orthodoxy 153 Some fidei defensores of the Darwinian citadel have sensed the we ...

154 THE STRUCTURE OF EVOLUTIONARY THEORY times or more. (The deposition of the Chalk, an Upper Cretaceous formation, persisted n ...

The Essence of Darwinism and the Basis of Modern Orthodoxy 155 not vice versa—and the various forms of gradualism converged to a ...

156 THE STRUCTURE OF EVOLUTIONARY THEORY psychological development of his theory. For he had long viewed an explanation of adapt ...

The Essence of Darwinism and the Basis of Modern Orthodoxy 157 and so be preserved. How fleeting are the wishes and efforts of m ...

158 THE STRUCTURE OF EVOLUTIONARY THEORY change in any case)? Or should they examine the large-scale phenomena of taxonomic orde ...

The Essence of Darwinism and the Basis of Modern Orthodoxy 159 But suppose these precepts do not govern a commanding relative fr ...

160 THE STRUCTURE OF EVOLUTIONARY THEORY preeminence throughout the 3.5 billion years of phylogeny, lest the theory be reduced t ...

The Essence of Darwinism and the Basis of Modern Orthodoxy 161 eventually absorbed the term. Darwin understood this etymological ...

162 THE STRUCTURE OF EVOLUTIONARY THEORY an absence of environmental change would probably bring evolution to an eventual halt, ...

The Essence of Darwinism and the Basis of Modern Orthodoxy 163 This issue exposes another essential Darwinian theme not yet disc ...

164 THE STRUCTURE OF EVOLUTIONARY THEORY Darwinism embodies a meaningful central logic, or "essence," and that other proposals a ...