Why would being small on an island help you to survive easier than if the organisms were larger

Small size, too, has its advantages, however. Smaller animals need fewer resources to survive and reproduce. That's important on islands, where resources are more limited than on continents. They are more efficient at absorbing nutrients and energy.

Explanation:

the congress realized that action had to be.

climate change is the big reason to the decline of the indus valley which also caused floods. so i dont know what answer would best fit the description thats just what i found online! have an awesome