Adapt­ing to global warm­ing

Down to Earth - - SCIENCE -

THE REEF-BUILD­ING coral, Acro­p­ora

mille­pora, can pass its tol­er­ance for heat on to the next gen­er­a­tion via its DNA. This dis­cov­ery sug­gests that some corals take ad­van­tage of an evo­lu­tion­ary process known as "ge­netic res­cue". Sci­en­tists sug­gest that coral­stol­er­ance for tem­per­a­ture, which varies depend­ing upon lat­i­tude, is passed down from gen­er­a­tion to gen­er­a­tion—and that far-flung pop­u­la­tions of coral did not sim­ply ac­cli­mate to their dif­fer­ent en­vi­ron­ments, but in­stead, in­her­ited their abil­ity to thrive in higher tem­per­a­tures. Science, June 25

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