Sentence examples for behaviour only once from inspiring English sources
Half the victims were the brunt of such behaviour only once or twice a year.
Advanced eusocial behaviour appears to have evolved twice in the group, giving rise to controversy, now largely settled, as to the phylogenetic origins of the four tribes; it had been supposed that eusocial behaviour had evolved only once, requiring the Apini to be close to the Meliponini, which they do not resemble.
Of the total, 107 (41.2%, 95% CI 34.3% to 47.8%) said the behaviour had occurred only once, and 66 (25.4%, 95% CI 19.8% to 31.6%) that it had occurred more than once and for over a year.
While this model achieved very good speech categorization performance, it relied on extremely precise spiking behaviour (neurons spiked only once, when their associated channel reached a certain threshold), for which neurophysiological evidence is scarce.
Also, if you had previous risky behaviours, even if only once, get tested for HIV and for hepatitis C. It's the only way to know if you live with it.
While the host eviction behaviour of cuckoos (Cuculidae) is well documented, the host killing behaviour of honeyguide (Indicatoridae) chicks has been witnessed only once, 60 years ago, and never in situ in host nests.
Many schools now have a section of their behaviour management systems on homophobia, but I have only once encountered a section that specifically noted transphobia.
Male Australian redback and brown widow spiders facilitate monogyny – the practice of males mating only once – through "self-sacrificial mating behaviour" in a bid to increase their chances of paternity.
It is shown only once before the driver then receives a black flag, meaning disqualification if the driver does not change his behaviour.
