Explain the differences between the evolutionary theories ofCharles Darwin's natural selection and Lynn Margulis Endosymbiosis.Are the theories testable and expensive, according to StevenGould's standards? Does the apparent contradiction between thetheories weaken or strengthen the theory of evolution? Why or whynot? Feel free to address Michael Pollan's discussion about planetsand Lovelock's Gaia theory to round out your ideas.
