Sentence examples for copulation as a from inspiring English sources

This may happen in either or both of two ways: by changing the importance of courtship mating relative to sneak copulation as a determinant of sexual selection, and by changing the strength of sexual selection imposed by choice.

Each individual snail was often involved in many matings over the 6 hours of observation, in both the male and the female role, but only its first successful copulation as a male was recorded.

To specifically investigate the influence of egg laying on survival (as opposed to copulation plus egg laying, which were not differentiated in the previous analysis), 25°C flies were analyzed separately (because in the 12°C treatment females were not allowed to lay) in an ANCOVA with copulation as a factor and the number of clutches laid and female size as covariates.

However, only the former was capable of suppressing copulation as well and at a dose of 75 ng per female.

We classified a mock copulation as any time a female mounted a male for less than 1 minute (4 frames), although mock copulations typically last for 30 seconds (pers. obs).

Under these circumstances, sperm is transferred in nearly all copulations as has been made plausible previously [ 51].

8 20-8 23 A.M.: Tunnel my body into a different set of interwoven threads because the first one didn't satisfactorily create the illusion that my body is desirably healthy for copulation as judged by a theoretical stranger whom I may encounter during the day.

Male D. montana gauged the intensity of competition from rival males and adjusted the duration of copulation, used as a proxy of reproductive investment, accordingly.

Nonetheless, male reproductive biology is clearly influenced by competition over mates, and, at least in species in which females tend to mate with multiple males, this competition extends well into the period after a successful copulation, as sperm of several males can compete for fertilization of the female's ova.

The females of basal moths have only one sex organ, which is used for copulation and as an ovipositor, or egg-laying organ.

Further investigation of copulation duration as an interacting phenotype and whether or not it is subject to sexual selection is warranted.