For a species to be extinct, what must be true about the species birth rate and death rate?

For a species to be extinct, their birthrate must be low and their death rate must be high.

Explanation:

Because if a species is going to be extinct, then there are obviously going to be more deaths and less of the species being born in order for it to be extinct

the truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey.