Symbiotic Planet Review In Symbiotic Planet, author Lynn Margulis explains her Serial Endosymbiosis theory, which is a recent theory of how evolution occurred. While the book was rather dull at times the theory itself is very intriguing. Most people assume that humans are the most intelligent and capable inhabitants of Earth. However, Margulis’ SET theory gives a new insight of how humanity began. The theory says that it all began with four different kinds of …showed first 75 words of 250 total…

…showed last 75 words of 250 total…gave new twist on evolution. When thinking about evolution, many people think of humans evolving from apes and animals evolving from dinosaurs. Most people do not think of bacteria as the source of how humans came to be. I would recommend this book to others who find the topic interesting or for people who are narrow minded. Symbiotic Planet is an eye-opener that will make people be more accepting to new ideas for old topics.