Sentence examples for occurred alone from inspiring English sources

But most of Andrey's learning occurred alone, with his computer.

Results: Prevalences were 8% for PC, 7% for EC, 18% for DS, and 3% for AC; all except AC usually occurred alone.

Pit coverage was four-times greater, and significantly more soil was excavated in the reserve where bilbies, bettongs and goannas were enclosed together compared with a site outside the reserve where rabbits and goannas co-occurred, or within the reserve where goannas occurred alone.

More Arc+ cells were seen in response to the US when it followed a novel CS taste than when it occurred alone, after a familiar taste or when it preceded a novel taste (backward conditioning).

However it remains unclear whether or not gene crossover and gene conversion have occurred alone or simultaneously in vitro and in vivo; information is also lacking about the recombination machinery and how it is regulated in this organism with a markedly reduced genome.

Seal, being a preferred food, often occurred alone in scats and with fewer accompanying items.

Cinereous Conebill occurs alone, in pairs, or in groups.

But they rarely occur alone; they are accompanied by a relenting, a thawing mildness.

The microfossils are spheres and may occur alone or in chains.

Birds typically occur alone or in pairs, but occasionally in small flocks.

Finally, different factors can occur alone or simultaneously leading to further increases in the risk of fires and biological invasions.