Assertion: marmot's number | /r/CapableOf | define species
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Source sentences:
text: The bit about the number of chromosomes makes me wince because while I know that there are schools of zoology in North America that believe that the number of chromosomes defines a species, this is rejected by scientists here, because marsupials are not so fussy about their chromosomes, and it would greatly multiply the number of species to no purpose.