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phl 273 lec 9

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Ingrid L.Stefanovic

Phl 273 lec 9 nov 26  Biologists’ classifications include: kingdom, phylum, class, order, family, genus, species  What are species? o Darwin”as one arbitrarily given for the sake of the conveniences to set of individuals clsing resembling each other” o Rolston”natural kinds reproducing out there in the world” o International union for conservation of nature says that this amount of species are all at risk: 12% birds, 21% mammals, 30% amphibians, 27% reef-building corals, 35%confiers and cycads  Why do species matter? o Save the parts. Who knows might be useful?- rolston o Anthropocentric view; human benefits like eating, clothing, health etc o We need species b/c food chain/animal chain o You have a flower that is helping cure cancer; periwinkle from Madagascar o There are financial benefits o Bimimickery; mimicking certain skins from animals to create clothing for humans etc; shark skin imitation to help swimmers o Its clues to natural history  “destroying species is like tearing pages out of an unread book”-rolston o They have been said to have intrinsic value  Every form of life is unique warranting respect regardless of its worth to man- un general assembly o For future generation  We should give the future generations the same amount of world that we were given from our ancestors-  “we do have duties to protect threatened species not duties to the species themselves as such, but rather duties to future human beings, duties derived from our housekeeping role as temporary inhabitants- joel beinberg  Do species or do individuals matter? o True, a species has no self defending its life... but perhaps this singular somatic identity, the good of its own, which is respected in individual organism is not the only process that is valuable -rolston  Extinction shut down the generative process and leaves no future for that species; its like a super killing, extinction kills collectively, o We moved away from command and control towards providing incentives, we need to take the ethics and turn it into law-rolston  Water ethics o Values infuse decision making around water issues; ppl disagree about  States of affairs  What constitutes enough water? Quality of water? How long is an adequate shower?  The avg Canadian uses 329 litres of fresh water on a daily basis. Is that
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