| 单词 | copulation |
| 例句 | Some snakes and lizards are doubly endowed; switching between their two hemipenes during multiple copulations increases their sperm count by a factor of five. Animal penises’ amazing evolution 2012-06-12T15:40:00Z While males are aggressive with each other, they aren’t aggressive toward females and do not force copulations, despite being twice the size of their mating partners. How Wild Turkeys Find Love 2022-11-21T05:00:00Z Her remembrance of scenes of copulations past causes her no shame. Review: In 'Ava,' Elizabeth McGovern casts a spell at Geffen Playhouse as a classic Hollywood femme fatale 2023-04-17T04:00:00Z Large, dominant alpha males obtain mates by brute force, while small males can sneak in for furtive copulations with the females in an alpha male’s territory. Biology for AP Courses 2022-06-09T00:00:00Z Ducks' evolution of a penis is thought to have facilitated males being able to force copulations to gain control of fertilization. The secret sex lives of ducks 2021-07-25T04:00:00Z The result is that, even for species in which nearly forty per cent of all copulations are violently coerced, only between two and five per cent of ducklings come from extra-pair matings. Duck Sex and the Patriarchy 2017-05-17T04:00:00Z The males who are able to wrap the females’ legs have more successful copulations, as measured by the number of insertions of the pedipalp, which delivers sperm to the female. Spiders That Aren’t Dying to Reproduce 2016-03-14T04:00:00Z Reliable observation of all copulations is not possible in our system, nor is it in most species. [Technical Response] Response to Comments on “Bateman in Nature: Predation on Offspring Reduces the Potential for Sexual Selection” 2013-05-02T17:56:04.117Z In this case, both the alpha males and the “sneaking” males will be selected for, but medium-sized males, which can’t overtake the alpha males and are too big to sneak copulations, are selected against. Biology for AP Courses 2022-06-09T00:00:00Z Second, they determined whether the formant frequencies were predictive of dominance, number of successful copulations, and number of offspring sired. Koalas and Bison Use the Same Rules for Choosing Mates 2012-12-06T16:15:04.657Z Males work from a blueprint that actually prevents them from successfully coercing copulations. Duck Sex and the Patriarchy 2017-05-17T04:00:00Z She was staking out Kaena Point on a daily basis, trying to watch these illicit copulations unfold for herself. Can Animals Be Gay? 2010-04-01T19:34:00Z We find means to make commixtures and copulations of divers kinds, which have produced many new kinds, and them not barren, as the general opinion is. Ideal Commonwealths We find means to make commixtures and copulations of different kinds; which have produced many new kinds, and them not barren, as the general opinion is. New Atlantis |
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