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 most likely to explain the change.
A. The environment change such that totes that can jump higher into the trees to survive better.
B. A disease cause a decrease in the proportion of brown toads
C. The environment changed such that green toads can blend into their surroundings better.
D. population caused a decrease in the proportion of brown toes.