sentences:  Contrastingly, men are able to copulate and then abandon their mate as there is no risk of pregnancy for themselves, meaning there is a smaller risk of parental investment in any possible offspring.It has been suggested that, due to having such low parental investment, it is evolutionarily adaptive for men to copulate with as many women as possible, as it will allow them to spread their genes with little risk of future investment.This may therefore lead to more extra-pair copulation in men, as they are able to copulate with other women without the consequences of having to rear new offspring.