Sentence examples for this copulation from inspiring English sources

This copulation by female C resulted in pseudopregnancy, which culminated in two returns of estrous in 2010.

Scientists believe this chaotic copulation sparked an evolutionary arms race where some male diving beetles evolved circular suckers on their feet in place of the grooved spatula-shaped structures more commonly found on other beetles.

For this solitary copulation, we were supposed to stick dollars in their thongs.

This evolved copulation period represents roughly 3%% of the worm's six-day reproductive lifespan per mating, so this is not an insignificant change.

Ian Gilby, a behavioral ecologist at Harvard University who studies meat sharing among chimpanzees, cautions about extrapolating the findings to chimpanzees in general, noting that too few subjects were involved in this study, actual copulation frequencies were not reported, and no alternative hypotheses were tested.

The female may stop and lower her head and tail to allow copulation; this takes just a few seconds, but may be repeated several times in an hour.

During copulation, this lack of cooperation is evident by continual female movement and rejection behaviors.

This difference in copulation duration between pure population crosses may have implications for sexual conflict over the length of copulation, which has been documented in a Finnish D. montana population [ 38].

Work on D. melanogaster[ 37] and D. pseudoobscura[ 38] has shown that this increase in copulation effort increases offspring production and success in sperm competition.

This increase in copulation duration when males are exposed to potential rivals is seen in many Drosophila species [ 35, 37] and has been interpreted as a response to the increased risk of sperm competition.

During copulation, this female circuitry senses male sex peptides and relays the signal to higher order circuits in the brain that generate post-mating physiological and behavioral output responses in females [ 64].