For the Weddell seal's population size in the region to be unchanged, the species must have had sufficiently abundant prey over this period; therefore, it is plausible that prey resources for the Adélie penguin, which breeds at the same time of year as the Weddell seal, were also sufficient prior to 14 kya.
All mice were age matched and bred with mice of the same strain at the same time.
Most terns breed annually and at the same time of year, but some tropical species may nest at intervals shorter than 12 months or asynchronously.
This is important, particularly with pak choi, which are often F1 hybrids bred to mature at the same time.
Polarizing hostile discourse will only breed more division while, at the same time, making real debate over issues less likely.
The congenic B6 mice were bred, aged and analyzed at the same time as over 300 D2 mice.
At the same time, this breed that had helped the Inuit master one of the world's harshest environments was being undermined by crossbreeding with southern dogs brought by well-meaning outsiders.
At the same time, small breeds became desirable as playthings and companions for noble families.
Swift and Waddington hope that by offering decent prices they can help provide local farmers with a livelihood, and at the same time preserve the breeds.
At the same time, Irish and American breed registries were formed.
But at the same time, too much familiarity breeds, if not contempt, at least ennui or complacency.
