In an ecosystem, there are 2 color varieties within a species of toads, brown and greens. Over 50 years of population of the population that is, green increases from 20 to 50%. Which statement is most likely to explain this change

One possible explanation for the increase in the green toad population could be natural selection. If the green toads have traits that make them better suited to their environment, such as better camouflage or increased resistance to predators, they may have a higher likelihood of surviving and reproducing. Over time, this could lead to an increase in the population of green toads relative to brown toads.