Final answer:
The Siberian tiger is an organism close to extinction that scientists are trying to preserve through conservation efforts.
Step-by-step explanation:
An example of an organism that is close to extinction and that scientists are trying to preserve is the Siberian tiger (Panthera tigris). This species is critically endangered due to habitat loss, poaching, and illegal trade. Conservation efforts, such as creating protected areas and implementing anti-poaching measures, are in place to help preserve and increase the population of this magnificent animal.