Preface | p. XI |
A Theory of Adaptation | |
Aptations and Selective Agencies | p. 3 |
Natural Selection and Adaptation | p. 3 |
The Recognition of Aptations | p. 7 |
Effectiveness, Improvement, and Escalation | p. 10 |
Environmental Challenges and Pathways of Adaptation | p. 15 |
The Ranking of Selective Agencies | p. 23 |
Limits to Adaptation | p. 26 |
The Nature of Limitation | p. 26 |
Genetic and Developmental Limitation | p. 27 |
Ecological Limitation | p. 30 |
The Spatial Dimension | p. 42 |
Summary of the Theory of Adaptation | p. 46 |
Hypotheses and Their Evaluation in a Historical Science | p. 49 |
Predictions from the Theory of Adaptation | p. 49 |
The Nature of Historical Inquiry | p. 53 |
Artifacts and Resolution in the Fossil Record | p. 55 |
Functional Morphology and Ecological Inference in Fossils | p. 61 |
The Acquisition of Resources | |
Mechanisms and History of Competition | p. 67 |
Types of Competition | p. 67 |
Clones and Colonies | p. 70 |
Competition in Plants | p. 78 |
Metabolic Rate and Competition | p. 82 |
Competition for Mates | p. 95 |
Summary | p. 99 |
Safe Places, Anachronistic Aptations, and the Recycling of Resources | p. 102 |
The Invasion of Safe Places and Its Consequences | p. 102 |
The Identification of Safe Places | p. 103 |
Deep Water | p. 104 |
Caves and Interstitial Environments | p. 107 |
The Infaunal Environment | p. 108 |
Bioerosion and the Endolithic Environment | p. 119 |
Fresh Water and the Dry Land | p. 130 |
Parasitism and Mutualism | p. 136 |
Summary | p. 140 |
The Predators of Armored Animals: Functional Morphology and History | p. 142 |
Methods of Subjugation | p. 143 |
The History of Molluscivory | p. 173 |
Summary and Conclusions | p. 185 |
The Evolution of Armor and Locomotion | |
The Functional Morphology and History of Gastropod Armor | p. 191 |
The Functions of Armor | p. 191 |
The Characteristics of Gastropod Shell Armor | p. 192 |
The Effectiveness of Gastropod Armor | p. 205 |
The History of Gastropod Armor | p. 210 |
The History of Traces of Predation | p. 227 |
Summary and Conclusions | p. 237 |
Opportunistic Armor: The Evolution of the Conchicolous Habit | p. 240 |
The Conchicolous Habit | p. 240 |
Benefits and Risks of the Conchicolous Habit | p. 243 |
The Effects of Shell Supply | p. 246 |
Improving the Shell Resource | p. 249 |
The History of the Conchicolous Habit | p. 251 |
Evolutionary Effects of Conchicoles on Shell-Builders | p. 252 |
Summary | p. 254 |
Locomotion and the Evolution of Movement in Gastropods | p. 256 |
General Features of Locomotion | p. 256 |
Locomotion in Gastropods | p. 262 |
The History of Gastropod Burrowing | p. 266 |
Summary | p. 268 |
Armor and Locomotion in Cephalopods | p. 271 |
Adaptational Dilemmas | p. 271 |
The History of Cephalopod Armor | p. 277 |
Locomotion in Cephalopods | p. 285 |
Summary and Conclusions | p. 288 |
Armor and Locomotion in Bivalved Animals | p. 290 |
The Bivalve Shell | p. 290 |
Vivalve Armor | p. 292 |
Patterns of Armor in Space and Time | p. 301 |
Traces of Predation | p. 305 |
Locomotion in Pelecypods | p. 311 |
Summary | p. 315 |
Armor and Locomotion in Articulated Animals | p. 317 |
Functional Possibilities and Limitations | p. 317 |
Arthropod Molting | p. 319 |
Conglobation in Arthropods | p. 320 |
The Carapace Form in Arthropods | p. 326 |
Size in Land Arthropods | p. 328 |
Bamacles | p. 329 |
Echinoderms | p. 332 |
Armor in Vertebrates | p. 339 |
Swimming in Vertebrates | p. 347 |
Running in Land Animals | p. 348 |
Powered Flight | p. 354 |
Summary | p. 355 |
Escalation, Diversification, and Extinction | |
The Dynamics of Escalation | p. 359 |
A Review of the Evidence Pertaining to Escalation | p. 359 |
A Chronology of Phanerozoic Escalation | p. 361 |
The Role of Extrinsic Events | p. 371 |
Conditions Favorable to Escalation | p. 376 |
Marine Transgressions and Productivity | p. 378 |
Climatic Change and Biotic Interchange | p. 382 |
Intrinsic Factors: The Importance of Nutrients | p. 386 |
Summary and Conclusions | p. 387 |
Extinction | p. 390 |
A Theory of Extinction | p. 390 |
Timing, Frequency, and Magnitude of Extinction | p. 396 |
The Decrease in Extinction Rate | p. 400 |
Selectivity | p. 401 |
Population Size and Geographical Range | p. 413 |
Post-Crisis Conditions | p. 414 |
Summary | p. 416 |
Implications, Difficulties, and Future Directions | p. 418 |
The Domain of Individual Adaptation | p. 418 |
Evolutionary Progress | p. 419 |
Objections and Alternative Interpretations | p. 421 |
Future Research | p. 426 |
Appendix | p. 431 |
References | p. 435 |
Index | p. 521 |
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