Eli5: how are humans, who are two legged, able to out endure creatures that are four legged?

Question

Eli5: how are humans, who are two legged, able to out endure creatures that are four legged?

In: 1455

Answer 1

A big strong muscle car can drive fast but it will use up all its gas super quickly! Think about how race cars have to come in for a pit stop to get more gas.

A regular car can’t go as fast but it only needs gas every couple hundred miles or so