What role does earth play in evolution

Earththe planet we live onwe depend on this planet a lot more then u knowearth has everything to do with evolutionevolution is the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earthhope this helps

You should never redesign your experiment. try and see what in your experiment you made a mistake on or try and test your experimemt with somebody else. see if they get the right results.