Wikipedia Poem, No. 64

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an extinction or biotic 
crisis
large-scale mass extinctions 
	marine ambivalence 
in a geologically short 
percent
        large-scale major mass extinctions have 
    significantly used the Earth
more 
   large-scale 
mass extinction rates; 
a biologically short ride, as they say
      microbial plant spectral measurements 
estimates low 
before 
         threshold chosen for Earth such 
   an extinction 
        or biomass extinction 
rate of animal, lovely abundance
	like a gun