Readers answer other readers' questions on subjects ranging from trivial flights of fancy to profound scientific conceptsAre there any genuinely pointless species in the world which, if they were extinct, would have no material impact on the food chain or general homeostatis? Surely no one would miss wasps, for example.Nina Jones, London EC3• Post your answers – and new questions – below or email them to nq@theguardian.com. Please include name, a ...
http://www.theguardian.com/lifeandstyle/2013/sep/18/any-useless-specie
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