Which of these is the smallest unit upon which natural selection directly acts?

ان میں سے سب سے چھوٹی اکائی کون سی ہے جس پر قدرتی انتخاب براہ راست کام کرتا ہے؟

Population

Species

Ecosystem

None of these

Natural selection directly acts on populations.

As they consist of individuals with varying traits that affect survival and reproduction.

Over time, advantageous traits become more common in the population, driving evolutionary change.