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| Preface | |
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| Acknowledgments | |
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| Overview | |
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| Basic Concepts: Budgets, Allometry, Temperature, and The Imprint of History | |
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| The Input/Output Budget: A Key Conceptual Framework | |
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| The Importance of Size: Scaling of Physiological and Ecological Traits | |
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| The Importance of Temperature | |
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| Using Historical Data in Comparative Studies | |
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| Chemical Ecology Of Food | |
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| The Chemistry and Biology of Food | |
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| Getting Started; First Catch (Store and Prepare) the Hare | |
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| Proximate Nutrient Analysis | |
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| Dietary Fiber | |
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| Carbohydrates | |
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| Amino Acids and Proteins | |
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| Lipids | |
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| Vitamins | |
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| Minerals | |
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| Secondary Metabolites | |
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| Words of Encouragement | |
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| Digestive Ecology | |
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| Food Intake and Utilization Efficiency | |
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| Overview of Section III: Why Study Digestion? | |
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| Digestive Efficiency Is Inversely Related to "Fiber" Content | |
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| Both Digestion Rate and Digestive Efficiency Are Key Nutritional Variables | |
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| Daily Food Intake: Energy Maximization or Regulation? | |
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| Simple Guts: The Ecological Biochemistry and Physiology of Catalytic Digestion | |
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| Lots of Guts, But Only a Few Basic Types | |
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| The Gut as a Bottleneck to Energy Flow | |
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| The Gut in Energy Intake Maximizers | |
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| Intermittent Feeders | |
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| The Gut in Diet Switchers | |
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| The Evolutionary Match between Digestion, Diets, and Animal Energetics | |
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| Summary: The Interplay between Digestive Physiology and Ecology | |
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| Photosynthetic Animals and Gas-Powered Mussels: The Physiological Ecology of Nutritional Symbioses | |
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| A Symbiotic World | |
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| A Diversity of Nutritional Symbioses | |
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| Hot Vents and Cold Seeps: Chemolithotrophs of the Deep Sea | |
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| The Importance of Nitrogen in Nutritional Symbioses | |
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| Digestive Symbioses: How Insect and Vertebrate Herbivores Cope with Low Quality Plant Foods | |
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| Fermentation of Cell Wall Materials | |
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| Microbial Fermentation in Insect Guts | |
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| Terrestrial Vertebrates | |
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| Herbivory and Detritivory in Fish | |
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| The Ecology Of Postabsorptive Nutrient Processing | |
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| Postabsorptive Processing of Nutrients | |
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| Overview: The Postabsorptive Fate of Absorbed Materials | |
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| Controls over Postabsorptive Processing | |
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| Costs of Digestive and Postabsorptive Processing | |
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| Feast and Famine: The Biochemistry of Natural Fasting and Starvation | |
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| Biochemical Indices of Nutritional Status and Habitat Quality | |
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| Isotopic Ecology | |
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| Basic Principles | |
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| Mixing Models | |
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| Isotopic Signatures | |
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| The Dynamics of Isotopic Incorporation | |
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| Stable Isotopes and Migration | |
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| Nitrogen Isotopes | |
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| Concluding Remarks and (Yet Again) a Call for Laboratory Experiments | |
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| How Animals Deal with Poisons and Pollutants | |
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| Overview: The Postabsorptive Fate of Absorbed Xenobiotics | |
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| Distribution of Xenobiotics in the Body | |
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| Biotransformation of Absorbed Xenobiotics | |
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| Elimination of Xenobiotics and Their Metabolites | |
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| Costs of Xenobiotic Biotransformation and Elimination | |
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| Modeling Approaches Can Integrate the Processes of Absorption, Distribution, and Elimination (Including Biotransformation and Excretion) | |
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| Models Can Predict Bioaccumulation and Biomagnification in Ecosystems | |
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| Postingestional Effects of Xenobiotics on Feeding Behavior | |
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| Toxic Effects of Xenobiotics in Wild Animals | |
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| Toxicogenomics: New Methodologies for the Integrative Study of Exposure, Postabsorptive Processing, and Toxicity in Animals Exposed to | |