The most likely explanation for the change in the proportion of green toads from 20% to 50% over 50 years is: The environment changed such that green toads can blend into their surroundings better. This statement suggests that the changing environment favored the survival of green toads, allowing their population to increase relative to the brown toads. The other options, while possible, do not directly address a change that would favor green toads specifically.
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.
O The environment changed such that toads that can jump higher into the trees to survive better.
• A disease caused a decrease in the proportion of brown toads.
• Pollution caused a decrease in the proportion of brown toads.
1 answer