What if I told you that we, as humans still have no idea how eels reproduce? That’s right. You read it correctly. We have been to the moon, searching for new planets that support life at this very moment, but we still have not figured out how eels reproduce.
The human race is not even on this list. We are a poor, Type 0 civilization because we still get our energy from dead plants and animals. We have a long way to go before we are elevated to a type I civilization.