For birds with long lives that don’t breed until they are more than a decade old, losing their young can threaten the survival of the entire population.

For example, breathing problems, congenital abnormalities or malformations, and the presence of other severe diseases, especially infection, threaten the survival of the neonate.

Selection on individuals can theoretically produce adaptations that threaten the survival of the population.

The collapse in trust and drying-up of credit markets over the past year has threatened the survival of the international banking system.

So wrong that they threatened the survival of the bank and the health of global financial markets.