Sentence examples for copulation increases the from inspiring English sources

Transfer of high sperm numbers at the time of copulation increases the chances of fertilization because of the considerable sperm losses along the female tract, with only a few sperm reaching the site of fertilization in mammals [17].

Each copulation increases risk of infection or physical damage and because nymphs are immature and lack the external and internal adaptations they are at even greater risk.

Mating latency (defined here as the time between the beginning of courtship and the start of copulation) increased with female age, and copula duration was found to decrease as females aged.

Oral sex is also well known among short-nosed fruit bats, for whom it is thought to prolong copulation, thereby increasing the likelihood of fertilisation.

NaF treatment of male mice before copulation significantly increased the expression of H19 in blastocysts, whereas H19 expression was not detected in 8-cell embryos.

As the number of copulations increase, the rate of mortality also increases in both sexes.

Importantly we show that fellatio increases the duration of copulation.

Thanatosis functions as a mating effort that increases the male's chances of completing or prolonging the copulation [ 23].

Intriguingly, sex peptide, a peptide present in seminal fluid introduced into female flies by copulation, increases feeding behavior in females (Carvalho et al., 2006), and diuretic hormone 31 regulates the passage of food along the midgut (LaJeunesse et al., 2010).

Male aggression should simultaneously reduce time available for copulation with females and potentially increase the risk of trampling of pups.

Although accurate quantifications of mating costs in wild damselfly populations are difficult to obtain, it seems likely that females suffer fitness costs from excessive male mating harassment, since sexual interactions and copulations reduce foraging time and/or increase the risks of injuries and predation [ 11, 12].