Many hotspots ofagrobiodiversity and of crop wild relatives arealso under threat or lack formal protection(58), jeopardizing the pool of genetic varia-tion that underpins the long-term resilienceof agricultural production and food systemsin the face of environmental change (59).

Indeed, as David Haskell, a biologist and writer, notes, a tree is “a community of cells” from many species: “fungus, bacteria, protist, alga, nematode and plant.” And often “the smallest viable genetic unit [is] … the networked community.”

The role of accidents in the theory of science is not disputed, If you employ evolutionary models, accidents assume a most important role. Without them, nothing happens, no progress is made. Without variation in the given material of ideas, there are no possibilities of examining and selecting novelties. The real problem thus becomes therefore one of producing accidents with sufficiently enhanced probabilities for selection.