The modern synthesis combined the concepts of and evolution.
if a population is at hardy-weinberg equilibrium, the allele frequencies must be
seen more clearly in small populations, is when allele frequencies change due to random chance, not selection.

i think i can answer even without the example. over time with environmental changes, sometimes a group of animals will adapt to better survive. take a moth for example. if the trees the moths use to camouflage themselves from predators, started to die or change colors themselves, the moths may, overtime of course, change color too. its just adapting to its surroundings. hope i was of any : )

i think it's organizational.

the correcdt answer shoukld be a