Bryan Derrickson of Valencia Community College in Orlando, Florida joins Jerry Tortora as a co-author, bringing his background and expertise in physiology in balance with Jerry's focus on anatomy. The authors have maintained in the text the superb balance between structure and function and continue to emphasize the correlations between normal physiology and pathophysiology, normal anatomy and pathology, and homeostasis and homeostatic imbalances. The acclaimed illustration program is now even better thanks to the input of hundreds of professors and students and the re-development of many of the figures depicting the toughest topics for students to grasp. The eleventh edition now fully integrates this exceptional text with a host of innovative electronic media, setting the standard once again for a rewarding and successful classroom experience for both students and instructors.

    Return to the River tells the life story of one of the great Chinook Salmon, observed with the trained eye of a naturalist and recorded with a novelist's narrative skill.

    In 1942, Ernst Mayr, one of the twentieth century's greatest scientists, published Systematics and the Origin of Species, a seminal book of the modern theory of evolution, where he advanced the significance of population variation in the understanding of evolutionary process and the origin of new species. Mayr formulated the transition from Linnaeus's static species concept to the dynamic species concept of the modern theory of evolution and emphasized the species as a community of populations, the role of reproductive isolation, and the ecological interactions between species.In addition to a preceding essay by Edward O. Wilson, this book includes the 16 papers presented by distinguished evolutionists at the colloquium. The papers are organized into sections covering the origins of species barriers, the processes of species divergence, the nature of species, the meaning of species, and genomic approaches for understanding diversity and speciation.

    Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions that are true to the original work.

    Many considered Huxley's book a popularization of the ideas then emerging in evolutionary biology, but in fact Evolution: The Modern Synthesis is a work of serious scholarship that is also accessible to the general educated public. It is a book in the intellectual tradition of Charles Darwin and Thomas Henry Huxley--Julian Huxley's grandfather, known for his energetic championing of Darwin's ideas. A contemporary reviewer called Evolution: The Modern Synthesis "the outstanding evolutionary treatise of the decade, perhaps the century." This definitive edition brings one of the most important and successful scientific books of the twentieth century back into print. It includes the entire text of the 1942 edition, Huxley's introduction to the 1963 second edition (which demonstrates his continuing command of the field), and the introduction to the 1974 third edition, written by nine experts (many of them Huxley's associates) from different areas of evolutionary biology.

    Due to its age, it may contain imperfections such as marks, notations, marginalia and flawed pages. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions that are true to the original work.