All other things being equal, the size of a population will decrease if

every single other thing being equal,the size of a populace will diminish if demise rates surpasses birth rates.  

Explanation:

Important terms in the investigation of populace incorporate populace science, populace environment, populace measure, populace bottleneck, populace decrease, and so forth. A populace alludes to a gathering of living beings of an animal varieties that interbreed and live in a similar place at an equivalent time. They are fit for interbreeding or generation. Populace science alludes to the natural investigation of creature populaces.