Small tt because there are large TT on the top
The answer would be -- A. Cenozoic
Increases genetic variation, which in and of itself has extreme benefits such as protection against disease, capability to evolve, etc
<h2>Scientist Observing changes </h2>
If the population of the species is significantly decreasing then the species could become extinct. The decline in population is due to some factors like less immigration, aging, and decreasing fertility rates. But the most is due to less immigration which causes to decrease population. The extinction of population can be prevented by some serious actions which should be taken government.
