The Structure of Evolutionary Theory

Seeds of Hierarchy 185 3 - 3. Lamarck allowed his linear sequence to branch at the apex of complexity (shown as the bottom in th ...

186 THE STRUCTURE OF EVOLUTIONARY THEORY directions—up the ladder of progress, and sideways into lateral paths of adaptation. La ...

Seeds of Hierarchy 187 as a trigger of change. The Recherches of 1802 adds the theme of "organic movements" forming new organs a ...

188 THE STRUCTURE OF EVOLUTIONARY THEORY As a primary sign of our estrangement from Lamarck's world, and our lack of understandi ...

Seeds of Hierarchy 189 progress builds the regular and rising trunk; diversity snatches some items off this upward highway and p ...

190 THE STRUCTURE OF EVOLUTIONARY THEORY more sharply defined. As the two sets grew along their orthogonal pathways, they became ...

Seeds of Hierarchy 191 change introduces the oddness and unpredictability of contingency. We can never know exactly what climati ...

192 THE STRUCTURE OF EVOLUTIONARY THEORY Modern evolutionists may read this list with an odd feeling of deja vu—in the backward ...

Seeds of Hierarchy 193 unity (Sulloway, 1982b; Gould, 1985c). Darwin had been informed that the tortoises differed from island t ...

194 THE STRUCTURE OF EVOLUTIONARY THEORY to be overcome; they represent an essential part of his context for study, and they pla ...

Seeds of Hierarchy 195 as a conscious point-by-point contrast or refutation of Lamarck, but I suspect that Darwin clearly recogn ...

196 THE STRUCTURE OF EVOLUTIONARY THEORY of intelligence. But in consequence of the perpetual interference of the external cause ...

Seeds of Hierarchy 197 Lamarck's system (as produced by the different mechanism of natural selection). Lamarck's hierarchical th ...

198 THE STRUCTURE OF EVOLUTIONARY THEORY "The Inadequacy of 'Natural Selection.'" He strongly supported the Lamarckian principle ...

Seeds of Hierarchy 199 This chapter explores the hints, inklings, and tentative formulations of hierarchical selection theory de ...

200 THE STRUCTURE OF EVOLUTIONARY THEORY evidence that he ever clearly conceptualized the issue of levels in selection. Wallace ...

Seeds of Hierarchy 201 and the needs imposed by completeness and coherence once we abandon the myopia of regarding "organized ad ...

202 THE STRUCTURE OF EVOLUTIONARY THEORY Everything we see in animals is adaptation, whether of today, or of yesterday... Every ...

Seeds of Hierarchy 203 that is, personal selection, must depend"). However, spurred by Spencer's critique, he soon expanded the ...

204 THE STRUCTURE OF EVOLUTIONARY THEORY writing more than 300 popular monthly essays on evolutionary topics during the past 25 ...