In an ecosystem, there are two color varieties within a species of toads: brown and green.
Over 50 years, the proportion of the population that is green increases from 20% to 50%.
Which statement is the most likely to explain this change? (1 point)
The environment changed such that green toads can blend into their
surroundings better.
A disease caused a decrease in the proportion of brown toads.
Pollution caused a decrease in the proportion of brown toads.
The environment changed such that toads that can jump higher into the
trees to survive better.