உயிர்: திருத்தங்களுக்கு இடையிலான வேறுபாடு

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==வரையறைகள்==
உயிரைப் பற்றி வரையறுத்தல் அறிவியலாளருக்கும் மெய்யியியலாளருக்கும் ஓர் அறைகூவலாகும்.<ref name="Definitions 2009">{{cite journal |title=Why Is the Definition of Life So Elusive? Epistemological Considerations |journal=Astrobiology |year=May 2009 |last=A. Tsokolov |first=Serhiy A. |volume=9 |issue=4 |doi=10.1089/ast.2007.0201 |url=http://online.liebertpub.com/doi/pdfplus/10.1089/ast.2007.0201 |format=PDF |accessdate=11 April 2015 |bibcode=2009AsBio...9..401T |pages=401–412 |pmid=19519215}}</ref><ref>{{Cite web|url=http://www.astrobio.net/exclusive/226/defining-life|title=Defining Life|last=Mullen|first=Leslie|date=19 June 2002|website=Astrobiology Magazine|publisher=NASA|archive-url=https://web.archive.org/web/20120421211210/http://www.astrobio.net/exclusive/226/defining-life|archive-date=21 April 2012|dead-url=yes|access-date=12 November 2016}}</ref><ref>{{cite web | first1=Claus | last1=Emmeche | date=1997 | title=Defining Life, Explaining Emergence | publisher=Niels Bohr Institute | url=http://www.nbi.dk/~emmeche/cePubl/97e.defLife.v3f.html | accessdate=25 May 2012 }}</ref><ref>{{cite web|url=http://artsandsciences.colorado.edu/magazine/2009/03/can-we-define-life/|title=Can We Define Life|last=|first=|date=|website=|publisher=Colorado Arts & Sciences|archive-url=https://web.archive.org/web/20100610005441/http://artsandsciences.colorado.edu/magazine/2009/03/can-we-define-life/|archive-date=10 June 2010|dead-url=yes|accessdate=22 June 2009}}</ref><ref>{{cite web|url=https://www2.bc.edu/~strother/GE_146/lectures/7.html |title=What is life? |last=Strother |first=Paul K. |date=22 January 2010 |website=Origin and Evolution of Life on Earth |publisher=Boston College |access-date=12 November 2016 |deadurl=yes |archiveurl=https://web.archive.org/web/20161220145116/https://www2.bc.edu/~strother/GE_146/lectures/7.html |archivedate=20 December 2016 |df= }}</ref> Thisஉயிர் isஎன்பது partiallyபொருளாக becauseஅமையாது lifeநிகழ்வாக isஇருத்தலால் aஇச்சிக்கல் process, not a substanceஅரியதாகிறது.<ref name = "DefinitionMotivation">{{Cite journal|last = Mautner |first = Michael N. | title = Directed panspermia. 3. Strategies and motivation for seeding star-forming clouds | journal = Journal of the British Interplanetary Society | date = 1997 | volume = 50 | pages = 93–102 | url=http://www.astro-ecology.com/PDFDirectedPanspermia3JBIS1997Paper.pdf|bibcode = 1997JBIS...50...93M }}</ref><ref name = "SeedingBook">{{Cite book | last = Mautner | first = Michael N. | title = Seeding the Universe with Life: Securing Our Cosmological Future | publisher = Legacy Books (www.amazon.com) | location = Washington D. C. | date = 2000 | isbn = 978-0-476-00330-9 | url = http://www.astro-ecology.com/PDFSeedingtheUniverse2005Book.pdf }}</ref><ref>{{cite journal |title=What is life? It's a Tricky, Often Confusing Question |journal=Astrobiology Magazine |date=18 September 2014 |last=McKay |first=Chris }}</ref> எந்தவொரு வரையறையும் புவியில் வாழும் அனைத்து உயிர்வகைகளையும் இவற்றினும் வேறுபட்ட அறியப்படாத உயிர்வகைகளையும் பொதுவாக உள்ளடக்கிப் பொதுவாக வரையறுக்க போதுமானதாக இருக்கவேண்டும்.<ref>{{Cite journal |last1=Nealson |first1=K. H. |last2=Conrad |first2=P. G. |title=Life: past, present and future |journal=[[Philosophical Transactions of the Royal Society B]] |volume=354 |issue=1392 |pages=1923–39 |date= December 1999 |pmid=10670014 |pmc=1692713 |doi=10.1098/rstb.1999.0532 |url=http://journals.royalsociety.org/content/7r10hqn3rp1g1vag/fulltext.pdf}}</ref><ref name=McKay>{{Cite journal |title=What Is Life—and How Do We Search for It in Other Worlds? |journal=PLoS Biology |date=14 September 2004 |first=Chris P. |last=McKay |pmid=15367939 |volume=2 |issue=2(9) |pmc=516796 |page=302 |doi=10.1371/journal.pbio.0020302}}</ref><ref name = "Bioethics">{{Cite journal | last = Mautner | first = Michael N. | title = Life-centered ethics, and the human future in space | journal = Bioethics | volume = 23 | pages = 433–440 | date = 2009 | doi = 10.1111/j.1467-8519.2008.00688.x | pmid=19077128 | url = http://www.astro-ecology.com/PDFLifeCenteredBioethics2009Paper.pdf | issue = 8 }}</ref>
 
===உயிரியல்===
[[File:Characteristics of life.svg|thumb|உயிரின் பான்மைகள்]]
 
 
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