"what counts as a species?" is about as enlightening a question as "what counts as a planet?"
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Replying to @sarahdoingthing
@sarahdoingthing “interfertility is not a transitive relation” http://en.wikipedia.org/wiki/Ring_species …1 reply 0 retweets 1 like -
Replying to @Meaningness
@sarahdoingthing Ontologists still use species as the canonical example of natural kinds http://en.wikipedia.org/wiki/Natural_kind … >1 reply 0 retweets 2 likes -
Replying to @Meaningness
@sarahdoingthing > which is “enough to make a cat laugh” as my mother sayspic.twitter.com/XBovDcHiBm
1 reply 0 retweets 2 likes
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