How do we know what today’s lifeforms were like when they first evolved? For years, biologists could make inferences about how recent species shared common ancestors based on an approach called ...
P Skelton, A Smith and N Monks Cambridge University Press, Cambridge, UK; 2002. 80pp plus CD. £29.95, hardback ISBN 0-521-52341-9. There is barely a field of biology that remains untouched by the use ...
Introduction: Carving nature at its joints, or Why birds are not dinosaurs and men are not apes -- Part I. The Interrelationships of Organisms: 1. What this book is about -- 2. Classification -- Part ...
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