faster than it has ever occurred PBS http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html extinción que está ocurriendo ahora mismo http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html anthropogenic extinction http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html anthropogenic extinction extinction occurring now anthropogenic extinction http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html http://www.pbs.org... anthropogenic extinction http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html anthropogenic extinction Amazon rainforesst alone 1 million average “lifespan” of mammalian species spike in extinction The Current Mass Extinction (PBS) Evolution--The Current Mass Extinction. http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html anthropogenic extinction faster than it has ever occurred PBS: The Current Mass Extinction http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html PBS - Evolution (series) 'The Current Mass Extinction' http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html l'extinction en cours http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html out of existence http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html la extinción actual de especies approximately as long as the average species http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html anthropogenic extinction http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html http://www.pbs.org... pbs.org/wgbh/evolution/library/03/2/l_032_04 average lifespan ²{¦b¥¿µo¥Íªºª«ºØ·Àµ´ http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html anthropogenic extinction http://www.pbs.org... http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html the extinctionrate ravalant l'extinction en cours au rang d'anecdote http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html 300 times http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html extinción continua http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html the rate of extinction http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html out of existence la extinción actual de especies 27,000 species are going extinct every year http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html spike in extinction PBS - Evolution (series) 'The Current Mass Extinction' The Current Mass Extinction, http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html mass extinction anthropogenic extinction mass-extinction http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html The Current Mass Extinction (PBS) http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html yok oluþ http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html anthropogenic extinction Evolution: Library: The Current Mass Extinction http://www.pbs.org/wgbh/evolution/library/03/2/l_032_04.html