Without knowing it, the right and left-handed twins built balance into the world. the plant-eating animals created by the right-handed twin balanced out the meat-eating animals created by the left-handed twin. and so the world thrived, and this was good. which statement best describes the purpose of this excerpt?

to explain how balance came to exist in the natural world

Explanation:

The purpose of the text is to explain how nature has developed a balance between all things and has become an environment free from excesses and faults. This can be perceived in the passage "Without knowing it, the right and left-handed twins built balance into the world. [...] And so the world thrived, and this was good."

not everyone is always right.