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)

Responses

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

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

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

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.

1 answer

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

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

This statement implies that the increase in green toads' population may be due to better camouflage in their environment, providing them with an advantage for survival and reproduction compared to brown toads.