Sentence examples for copulation up from inspiring English sources

The termination of spermatogenesis might be an energy-saving measure that allows these males, who no longer have functional pedipalps, to spend extended periods of time fighting after copulation (up to two weeks in N. clavipes; [48]).

We analyzed 36 movies of single males courting single females up to the onset of copulation or up to 20 minutes, whichever came first.

The reproductive output in terms of egg production, egg hatching success and larvae production of females whose matings were interrupted at predetermined times showed an overall positive relationship with copulation duration, up to a certain plateau.

During their futile attempts at copulation, they pick up a gobbet of pollen, so that when they visit another flower they will pollinate it.

Copulation usually lasts up to 3 hr.

Chasing of females by males and mating attempts were considered intersexual interactions (regardless of whether they ended up in copulation).

Right after copulation, males plug up the genital tract of females (red box in picture) to ensure that competitors can't deposit sperm.

I had insecurities, and I had been taught to affect a public bravado I couldn't live up to come copulation.

During this time a pair generally mates every 20 30 minutes, with up to 50 copulations per 24 hours.

Besides, the most remarkable thing about the story is not that one lineage of fish invented copulation but that they gave it up after a while as too much trouble.

Same-sex sexual behaviour is widespread across taxa and is particularly common in insects, in which up to 50% of copulation attempts by males are directed towards other males in some species.