2020
DOI: 10.1111/jzo.12836
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Male genitalia's evolutionary rate is higher than those of body traits: the case of two Liolaemus lizards' group

Abstract: Different studies suggest that reproductive characters evolve faster than non‐reproductive characters. Males in the order Squamata have paired copulatory organs called hemipenes, with high morphological diversity, including differences in size, shape, and ornamentation. Some studies in the species‐rich lizard genus, Anolis suggest that genital traits evolve faster than the rest of the body. However, these studies were made considering only a few traits, across a wide phylogeny, without considering species rela… Show more

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“…Notably, SSC divergence should be strongest between sibling spatially overlapping (sympatric and synthopic ) species (West-Eberhard, 1984;Percy, Taylor, & Kennedy, 2006;Schaefer & Ruxton, 2015;Grether et al, 2017), enhancing accuracy in species recognition and avoiding interbreeding (Gröning & Hochkirch, 2008;Ord & Stamps, 2009;Pfennig & Pfennig, 2009;Grether et al, 2017). In this sense, it would be expected the evolution of these traits to exhibit a weaker phylogenetic signal and, possibly, higher evolutionary rates than other, non-specifically signal traits, such as morphology (especially those non-genital), or trophic ecology (Ritchie, 2007;Arnegard et al, 2010;Weber et al, 2016;Zozaya et al, 2019;Quipildor et al, 2021). Indeed, SSC is expected to diverge as speciation occurs, contributing to generally increase intra-clade variability (Symonds & Elgar, 2004;Weber et al, 2016;García-Roa et al, 2017b).…”
Section: Introductionmentioning
confidence: 99%
“…Notably, SSC divergence should be strongest between sibling spatially overlapping (sympatric and synthopic ) species (West-Eberhard, 1984;Percy, Taylor, & Kennedy, 2006;Schaefer & Ruxton, 2015;Grether et al, 2017), enhancing accuracy in species recognition and avoiding interbreeding (Gröning & Hochkirch, 2008;Ord & Stamps, 2009;Pfennig & Pfennig, 2009;Grether et al, 2017). In this sense, it would be expected the evolution of these traits to exhibit a weaker phylogenetic signal and, possibly, higher evolutionary rates than other, non-specifically signal traits, such as morphology (especially those non-genital), or trophic ecology (Ritchie, 2007;Arnegard et al, 2010;Weber et al, 2016;Zozaya et al, 2019;Quipildor et al, 2021). Indeed, SSC is expected to diverge as speciation occurs, contributing to generally increase intra-clade variability (Symonds & Elgar, 2004;Weber et al, 2016;García-Roa et al, 2017b).…”
Section: Introductionmentioning
confidence: 99%