In biological terms, "extinct" refers to a species or group of organisms that no longer exists. It means that all the known individuals of the species have died, resulting in the complete cessation of their lineage. For example, the dodo bird, which was native to the island of Mauritius, is an extinct species. Once they become extinct, a species cannot be brought back to life through natural processes.
Endangered:
The term "endangered" is used to describe species that are at risk of extinction. It refers to a species or population of organisms whose numbers have declined to a dangerously low level, making them susceptible to extinction in the near future. Endangered species are often threatened by various factors such as habitat loss, poaching, climate change, and invasive species. Examples of endangered species include the giant panda, African elephant, and black rhinoceros.
To summarize, "extinct" refers to species that no longer exist, while "endangered" refers to species that are currently facing a high risk of extinction. Both terms highlight the importance of conservation efforts to protect and preserve biodiversity and prevent species from disappearing from the planet.