Originally Posted by GatorB

wrong. we are fleas? yes look how much destuction of the planet us fleas have caused. we have populated the entired planet. We have caused the extinction of tens of thousands of species and brought other to the brink of extinction. Look at all the land we have torn up to build all our cities. Mother Nature never wiped out 100% of all life on Earth, man has that power and can do it quickly and not take eons. To deny man can do great harm is to be obtuse and ignorant and possible downright stupid.