SimilarityRank
extinction 0.885 15835
speciation 0.779 76081
Pleistocene 0.777 71860
anthropogenic 0.771 46957
species' 0.761 65327
extinct 0.733 18328
catastrophes 0.730 37343
biota 0.730 95999
species 0.730 1842
acidification 0.727 55426
tsunamis 0.723 54433
amphibians 0.722 38553
hominids 0.721 99822
desertification 0.720 69099
droughts 0.720 35142
ecosystems 0.714 13909
Cretaceous 0.713 59402
predation 0.713 44971
pandemics 0.712 81261
cataclysmic 0.712 53251
perturbations 0.710 77676
habitats 0.706 13856
Holocene 0.706 86928
biosphere 0.704 44340
sea-level 0.703 63584