: Human Evolutionary

University Press. All rights reserved. No part of this book may be reproduced in any form by any electronic or mechanical means (including photocopying, recording, or information storage and retrieval) without permission in writing from the publisher, except for reading and browsing via the World Wide Web. Users are not permitted to mount this file on any network servers. CONTENTS Natural selection 3 Box 1.1 Speciation and the evolutionary processes 4 Asking the right questions 5 Box 1.2 Reductionism vs holism 7 Approaches to the study of human behaviour 8 Human behavioural ecology 8 Evolutionary psychology 10 Box 1.3 The problem of external validity 11 Environment of evolutionary adaptedness 12 Box 1.4 Human evolution 13 Towards a unified approach 14 Box 1.5 Modern human origins 16 Chapter summary 21 Further reading 21