"Geschlechtsverhältnis." . . "Dierenpsychologie en -neurofysiologie." . . "Geschlechtsbestimmung." . . "Plants" . . "Reproduction." . . "Proporción sexual." . . "Ökologie." . . "Différenciation sexuelle." . . "Protozoa" . . "Genetik" . . "Hvirvelløse dyr, invertebrater" . . "Kønsbestemmelse" . . "Geslachtsverhouding." . . . . "SCIENCE Life Sciences Evolution." . . "Sexagem animal." . . "Diferenças sexuais animal." . . "Sexualproportion." . . "Algemene ecologie en biosociologie." . . "Sex determination" . . "Geschlechtsverhältnis Tiere." . . "Protozoer" . . "Vertebrates" . . "Kønsfordeling" . . "Biologi" . . "Models" . . "Planter" . . "Electronic books." . . "Biologie des populations." . . "Hvirveldyr, vertebrater" . . "Genetics" . . "Tiere Geschlecht Ökologie." . . "Biology" . . "Biomathematica. Biometrie. Biostatistiek." . . "Geschlecht." . . "Evolution." . . "Statistiske metoder" . . "Genetica." . . "Sex-ratio Méthodes statistiques." . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Sex ratios : concepts and research methods" . . . . . . . . . . "Sex ratios concepts and research methods" . "Sex ratios concepts and research methods"@en . . . . . "Sex ratios, the proportions of males and females in any given species, are important in evolutionary and behavioural ecology. This volume explores the context to and methods for many aspects of research on sex ratios, and will be an indispensable reference for all those working in this area."@en . . . . . . "Covering sex allocation, sex determination and operational sex ratios, this volume provides both a conceptual context and an instruction in methods for many aspects of sex ratio research." . . . . . . "Electronic books"@en . . . "Electronic books" . . . . "Livres électroniques" . . . . "Sex-ratio." . . "Sex ratio" . "Soziobiologie." . . "Tiere." . . "Statistical methods" . . "Invertebrates" . . "Modeller" . .