id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
en-wikipedia-org-8287		Life - Wikipedia			.html	text/html	17984	3208	63	Estimates range from 8 million to 100 million,[116][117] with a more narrow range between 10 and 14 million,[116] but it may be as high as 1 trillion (with only one-thousandth of one percent of the species described) according to studies realized in May 2016.[118][119] The total number of related DNA base pairs on Earth is estimated at 5.0 x 1037 and weighs 50 billion tonnes.[120] In comparison, the total mass of the biosphere has been estimated to be as much as 4 TtC (trillion tons of carbon).[121] In July 2016, scientists reported identifying a set of 355 genes from the Last Universal Common Ancestor (LUCA) of all organisms living on Earth.[122]	./cache/en-wikipedia-org-8287.html	./txt/en-wikipedia-org-8287.txt