The term "not extinct" can be replaced by many other words, including "alive," "surviving," "persisting," "thriving," and "enduring." These words suggest that a species, population, or culture has managed to continue existing despite threats such as habitat destruction, disease, or persecution. "Viable," "established," "sustainable," and "resilient" all connote the ability of a group or individual to adapt and maintain themselves over time. Other synonyms for "not extinct" include "living," "existing," "present," and "functional." Overall, these words highlight the importance of preserving and protecting biodiversity, as well as human cultures and heritage, for the benefit of future generations.