This Fourth Edition of the highly praised text provides a comprehensive and in-depth examination of the integrative and systems aspects of comparative animal physiology. It gives particular emphasis to the physiological basis for evolution, phylogeny, speciation, ecology and behavior. Comparative Animal Physiology is internationally regarded as the authoritative source on comparative animal physiology.

This truly comparative text takes a fundamental, biophysical approach toward animal physiology. Students majoring in zoology, biology, or premedicine will study animals ranging from simple invertebrates and protozoans to complex multicellular invertebrates and vertebrates. Emphasis on evolution shows the progressive changes, modifications, and developments of physiological systems from simple to complex animals. Comparisons show the similarities and differences in how animals function, but stress fundamentally similar adaptations in very different animals.

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