Abstract
During the ‘Anthropocene,’ Homo sapiens has become a dominant evolutionary force. Human activities are currently producing a biodiversity crisis. Comparing the amounts of lost species in the five prehistoric mass extinctions with the range of species lost in recent times, a similar trend arises: the sixth mass extinction. Science proposes the term ‘defaunation’ (2014). According to the ‘perfect storm model,’ mass extinctions are products of three simultaneous conditions; we are witnessing these conditions today in the geophysical parameters induced by human activities. This is the evolutionary paradox of Homo sapiens, beneficiary of mass extinctions of other species, and now the cause of the sixth mass extinction event.
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