Sexual Selection and Senescence: Male Size‐Dimorphic Ungulates Evolved Relatively Smaller Molars than Females

As a general rule, males of sexually dimorphic ungulate species have evolved larger body size than females but shorter reproductive life spans as elements of their strategy for intrasexual competition for mating opportunities. Evolutionary theories of senescence predict that the durability of somati...

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Veröffentlicht in:	The American naturalist 2007-09, Vol.170 (3), p.370-380
Hauptverfasser:	Carranza, Juan, Pérez‐Barbería, F. Javier
Format:	Artikel
Sprache:	eng
Schlagworte:	Aging - physiology Animal and plant ecology Animal reproduction Animal, plant and microbial ecology Animals Biological and medical sciences Biological Evolution Biological taxonomies Body size Body Size - physiology Cervus elaphus Deer Evolution Evolutionary biology Female Female animals Fundamental and applied biological sciences. Psychology General aspects Male Male animals Mammalia Mammals Mammals - anatomy & histology Mammals - physiology Mating behavior Molar - physiology Phylogenetics Phylogeny Selection, Genetic Sex Characteristics Teeth Tooth erosion Ungulates Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution
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