Product Description: "Although most people are aware that bacteria are all around us, few would guess that they produce such distinctive and accessible signs. Whether you’re walking on the beach, visiting a zoo or aquarium, buying groceries, looking for fossils, drinking beer, traipsing through a swamp, or cleaning scum from beneath a dripping outdoor faucet, you’re surrounded by bacterial field marks...read more (view table of contents, read Amazon.com's description)

Product Description: This study draws evidence from the fossil record and from molecular biology to develop and support the theory that complex cells are symbiotic unions of bacterial cells.