Sentence examples for multiple copulations when from inspiring English sources

Females may derive direct benefits from multiple copulations when males provide nuptial gifts that enhance female fitness directly [1].

The results from that study indicated that while species with mating systems that include multiple copulations by males has no evolutionary impact on relative brain size, mating systems with multiple matings by females do influence brain size evolution.

Multiple copulations are required by females to achieve and maintain high fertility [ 5].

Our experimental design cannot separate possible effects on female lifespan of multiple copulations from those of ejaculate compounds.

This process of sperm induction can be repeated between copulations when sperm contents in the pedipalps are depleted [ 8].

Our results show that receiving multiple copulations and/or receiving multiple ejaculates reduces female R. verticalis lifespan, and that consumption of male nutrient donations cannot ameliorate this cost.

This procedure minimized density effects (e.g., delayed growth or reduced fecundity in paired individuals owing to competition) whilst allowing multiple copulations.

We typically observed a high frequency of mating activity over the six hours of each trial, each snail often involved in multiple copulations.

Moreover, in sexually deceptive orchids, insects rarely switch from one individual to another close individual immediately after the first attempted copulation, preferring to fly off at a greater distance from the first individual [ 60], suggesting that the apparent avoidance of multiple copulations within a small population will promote pollen flow over a greater distance [ 61].

Muscular action is important when the animal turns sideways and during copulation, when two individuals twine around each other.

Sperm competition occurs after copulation, when sperm of different males compete to fertilise the ova of females (Parker, 1970).