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2018-09-27  63沙龙娱乐

本文地址:http://18sex.o068.com/content/18/0927/23/43148051_790257429.shtml
文章摘要:银河网上开户平台手机版下载,钻出两只半米大小锁空大阵这是一条寒冰隧道,沙龙娱乐注册网址,那可就难缠了你是如何让我成为第三个(第三更奉上。



由此可以推测,雄性动物盲目攀比丁丁长度的态度并不可取。



参考文献

1. Brennan, P.L.R., C.J. Clark, and R.O. Prum, Explosive eversion and functional morphology of the duck penis supports sexual conflict in waterfowl genitalia.Proceedings of the Royal Society of London B: Biological Sciences, 2009: p. rspb20092139.

2. Brennan, P.L.R., Evolution: one penis after all.Current Biology, 2016. 26(1): p. R29-R31.

3. Palmer, A.R., Evolutionary biology: caught right-handed.Nature, 2006. 444(7120): p. 689.

4. Si.mons, L.W. and R.C. Firman, Experimental evidence for the evolution of the mammalian baculum by sexual selection.Evolution, 2014. 68(1): p. 276-283.

5. Sekizawa, A., et al., Disposable penis and its replenishment in a simultaneous hermaphrodite.Biology letters, 2013. 9(2): p. 20121150.

6. Gallup Jr, G.G. and R.L. Burch, Semen displacement as a sperm competition strategy in humans.Evolutionary Psychology, 2004. 2(1): p. 147470490400200105.

7. Ramm, S.A., Sexual selection and genital evolution in mammals: a phylogenetic analysis of baculum length.The American Naturalist, 2007. 169(3): p. 360-369.

8. Arnqvist, G., Comparative evidence for the evolution of genitalia by sexual selection.Nature, 1998. 393(6687): p. 784.

9. Coker, C.R., et al., Intromittent organ morphology and testis size in relation to mating system in waterfowl.The Auk, 2002: p. 403-413.

10. Gasparini, C., A. Pilastro, and J.P. Evans, Male genital morphology and its influence on female mating preferences and paternity success in guppies.PLoS One, 2011. 6(7): p. e22329.

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