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10 cards from this deck
Entire species died out; no individuals remain alive
Rapid changes (e.g. climate shifts) occur faster than species can adapt
Species unable to defend/escape decline & become extinct
Devastating if species lacks genetic diversity & resistance
Needed for alleles conferring disease resistance
Outcompeted by species with advantageous mutations
Can instantly wipe out entire species
Volcanoes, earthquakes, tsunamis, asteroid impacts
Species die if unable to migrate or adapt to new environment
Environmental changes, new predators, new diseases, competition, catastrophic events, habitat destruction
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