Our earth is a moving and “living” object. It can manifest it powers by volcano’s, earthquakes, tsunamis and landslides! It’s not impossible that one of these events, even combined will erase all live above a certain level. The higher the organism is in the food chain, the more vulnerable to changes.
It’s important to teach our youth can the earth can be violent. I do give some examples! If u know some more, let me know!