The study of the history of life encompasses the origins of species to their demise: evolution and extinction. Based on studies of the fossil record, this book examines the directionality of evolution--so called evolutionary trends--a fundamental aspect of life history that has received comparatively little attention in recent times. In addition to describing evolutionary trends, from the intraspecific level to macroevolutionary changes in a range of invertebrate and vertebrate organisms, this book sets out to explain just why organisms have evolved in the direction that they have.McNamara, K. J. is the author of 'Evolutionary Trends - Kenneth J. McNamara - Paperback' with ISBN 9780816512348 and ISBN 0816512345.
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