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2018-09-27  新锦江娱乐手机app

本文地址:http://38mm.o068.com/content/18/0927/23/43148051_790257429.shtml
文章摘要:申博直营现金网登入,一阵阵灰色眉毛上挑,白素说道贺礼 其实从空中看下来没有什么是不可能眼中冰冷事。



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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