Which organism has had the biggest impact on the planet? BBC Jack Werren interviewed by BBC - Earth the most common and diverse A different article worldly dominance springtails dominate the planet. lions and elephants are ecologically irrelevant Which life form dominates Earth? outnumber us 143 million to one Which life form dominates earth? springtails dominate the planet. Which Form Of Life Dominates Earth? Which Form Of Life Dominates Earth? BBC. Jack Werren interviewed by BBC - Earth A different article