. . and the heartâ belong to the sculptor, in which case the idea is that the sculptor âmockedâ (âmimicked,â âimitated in stoneâ) the passions and âfedâ them by creating them in stone, or if the hand and the heart belong to Ozymandias, whose hand mocked the passions of his foes and whose. heart fed his own passions.
Extinction is the complete demise of a species. It takes place when all individuals of a species die out. Extinction has occurred throughout the history of life on Earth. It is the ultimate fate of all species. In fact, it has been estimated that 99.9% of all species that have ever lived on Earth are now extinct.
The big five mass extinctions. Biologists suspect weâre living through the sixth major mass extinction. Earth has witnessed five, when more than 75% of species disappeared. Palaeontologists spot them when species go missing from the global fossil record, including the iconic specimens shown here.