Using a wealth of real examples from both the animal and plant kingdoms, Andrew Cockburn explores the questions at the heart of evolutionary ecology: the origin and maintenance of diversity; the pressures that determine form and behaviour; and the way in which organisms interact. The new edition has been extensively revised. It has been comprehensively updated to incorporate all the latest advances in the field. Coverage of topical subjects - such as plant mating systems, interspecific interactions, and intragenomic conflict - has been increased. Sections of the text that proved too difficult for students in the first edition have been completely rewritten and considerably simplified