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dc.description.abstractPARAMJIT SINGH: The extinction of the species is a natural phenomenon. Seen on a geological time scale, it is estimated that over 95 percent of the species that existed on earth are no more present. It may be noted that ever since life appeared on the planet earth some 4000 million years ago, the process of speciation was interrupted by five distinct periods of “mass extinctions”.en_US
dc.publisherNISCAIR-CSIR, Indiaen_US
dc.rights CC Attribution-Noncommercial-No Derivative Works 2.5 Indiaen_US
dc.sourceSR Vol.49(06) [June 2012]en_US
dc.titleIn Conversationen_US
Appears in Collections:SR Vol.49(06) [June 2012]

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