00923nam a2200193 a 450000100080000000500110000800800410001902000180006010000170007824500440009526000390013930000130017852004680019165000120065965000140067165000130068565300130069870000180071117968461992-12-20       1981    bl uuuu      00u1 u    #d  a0-632-00666-81 aKREBS, J. R.  aAn introduction to bahavioural ecology.  aOxford: Blackwell Scientificc1981  a292p.il.  aNatural selection and behaviour; Ecology and adaptation: comparison between species; Economic decisions and the individual; Living in groups and defending resources; Fighting and assessment; Sexual conflict and sexual selection; Parental care and mating systems; Alternative strategies; Co-operation and helping in birds, mammals and fish; Co-operation and altruism in the social insects; The design of signals: ecology and evolution; Co-evolution and arms races.  aecology  aevolution  aEcologia  aEvolucao1 aDAVIES, N. B.