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- Title
Experimental and demographic analyses of growth rate and sexual size dimorphism in a lizard, Sceloporus undulatus.
- Authors
Haenel, Gregory J.; John-Alder, Henry B.
- Abstract
Sexual size dimorphisms (SSDs) in animal populations can reflect differences in the age distributions of the two sexes or differences in age-specific body sizes. Examples of the latter occur both in species characterized by determinate and by asymptotic growth patterns. Sexual differences in body size could reflect differences in strategies for allocation of energy to growth for adaptive hypotheses of sexual selection would involve the documentation of genetic effects that underlie the mechanisms leading to SSD, an analytical step that is rarely taken. On the other hand, SSD may be explained by differential responses to the environment or other non-genetic effects.
- Subjects
SEX differentiation (Embryology); SEXUAL dimorphism in animals; SCELOPORUS undulatus; VITAL statistics; LIZARDS; GENETICS
- Publication
Oikos, 2002, Vol 96, Issue 1, p70
- ISSN
0030-1299
- Publication type
Article
- DOI
10.1034/j.1600-0706.2002.10915.x