Crocs have existed for over 100 million yrs, sharks even longer. Crocs are resistant to infection. Their blood serum even kills bacteria that are resistant to all our antibacterial medications. They survived what the dinosaurs couldn't.
No thoughts about this eh? Do ya think we have our evolution whipped? Or, don't ya care 'cause a caring,"divine powerhouse" is gonna take good care of us...? lol Or, are we just another struggling, ephemeral species of life? Qwark
This: I don't think so. The meteor that caused the demise of the dinosaurs had many times greater ability to harm life on this planet than all the nuclear potential we could detonate. There is no doubt that we humans could eradicate much of extant life, but not all of it. I think we'd even survive, but greatly regressed. Qwark