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)

Question

Responses

The environment changed such that toads that can jump higher into the trees to survive better.
The environment changed such that toads that can jump higher into the trees to survive better.

Pollution caused a decrease in the proportion of brown toads.
Pollution caused a decrease in the proportion of brown toads.

A disease caused a decrease in the proportion of brown toads.
A disease caused a decrease in the proportion of brown toads.

The environment changed such that green toads can blend into their surroundings better.

Answer 1

The most likely statement to explain the change in the proportion of green toads increasing from 20% to 50% over 50 years is:

The environment changed such that green toads can blend into their surroundings better.

This explanation suggests that the green toads had a selective advantage due to their coloration, making them less visible to predators in their environment, leading to increased survival and reproduction rates compared to brown toads.