id author title date pages extension mime words sentences flesch summary cache txt work_ewuoprvborejjheg6xklspkdri Judith K. Crane On the Metaphysics of Species* 2004 18 .pdf application/pdf 8082 523 54 biology believe that species are individuals whose parts are organisms. arguments that have been given for the species-as-individuals thesis (SAI) Kitcher argues that both individuals and sets of organisms may be historically connected in this way, so the claim that species are historical is fact that biologists continue to conceive species as ''classes of organisms Hull rightly insists that our ordinary intuitions regarding concept applicability are not particularly relevant, because the conceptual prohibition against re-evolving species flows from biological usage. identifies a species with a set of organisms consisting of a founder population plus some of its descendants. species are natural kinds, then, they are sets, the members of which share Ghiselin and Hull endorse Relational Species Concepts, and Mayr Kitcher ([1984] 1992), species are ''sets of organisms related to one that species are theoretically interesting sets, or natural kinds. species may be neither individuals nor sets, but ''historical entities,'' ./cache/work_ewuoprvborejjheg6xklspkdri.pdf ./txt/work_ewuoprvborejjheg6xklspkdri.txt