Life operates in thresholds, time-lags and tipping points, on a multitude of scales. Breezing along for years, decades, millennia or aeons, before, quite suddenly, the paradigm crumbles and shifts to a wholly new state.
Wise old Charles Darwin understood the workings of evolution all too well, explaining, as Gautama Buddha did, also in his way, that suffering and death are inescapable parts of life, intrinsic to it, whether we humans accept that fact or no.
"... the Struggle for Existence amongst all organic beings throughout the world, which inevitably follows from their high geometrical powers of increase, will be treated of. This is the doctrine of Malthus, applied to the whole animal and vegetable kingdoms. As many more individuals of each species are born than can possibly survive; and as, consequently, there is a frequently recurring struggle for existence, it follows that any being, if it vary however slightly in any manner profitable to itself, under the complex and sometimes varying conditions of life, will have a better chance of surviving, and thus be