Yej

Early Earth, 516, 517, 519 Early Oligocene, 416 Early Sun, 394, 396, 405 Earth, 41-43, 45-47, 49, 50, 51, 59, 60, 515-520 earliest fossils, xxvi oldest microfossils, xxiv Echinoids, 414 Ecology, 340-341

Ediacaran, 214, 215, 217, 222, 223 EDTA, 256, 259, 264, 265 Element analysis, 257, 258 Eleonora Bay Formation, 321 Enceladus, 518, 519 Encephalization Quotient, 358,

360-363 Endergonic derivatives, 459-461 Endoliths, 321-329 communities, 321, 322, 325, 327 microbial communities, 324, 325 microorganisms, 322-325, 327 niches, 328 End-Triassic extinctions, 417, 419 Enzymes, 456-460, 462, 465 Eocene, 416, 419, 420 Eocene extinctions, 416, 419 Eocene-Oligocene, 416, 419 Eocene-Oligocene boundary, 416 Eocene-Oligocene extinctions, 416 Epeiric seas, 184, 186 EPS. See Extracellular polymeric substances E.Q. See Encephalization Quotient Eroded mat fragments, 193 Erosion pockets, 199 Erosion remnants, 199 Etching, 256, 259, 262-266, 268 Etching protocols, 264, 265 Ethiopian and Yemen traps, 419 Euendoliths, 321, 322

Eukaryotes, 121 Europa, 121, 300, 310, 518, 519 Evaporate minerals, 188, 205 Evaporative pumping, 196 Evaporite(s), 188, 189, 195, 196, 205, 328 Events, 183, 188, 189, 193-196, 205, 206 Evolution of life, 393-395, 400, 401,

403, 404 Exergonic reactions, 459, 460 Exobiology, 341 Exoplanets, xix

Experimental simulations, 428, 434 Exponential assimilation, 458, 459 Exponential growth, 457-459 Extinctions, 411-420 Extinctions by impact, 398 Extracellular polymeric substances (EPS),

184, 198-202, 266-269, 322, 327 Extraterrestrial(s), 356, 357, 361, 362,

364-366, 411, 515, 518, 519 Extraterrestrial bio-signatures, 518 Extraterrestrial environments, 518, 519 Extraterrestrial life, 518 Extreme environments, 183, 186, 299, 300 Extremophiles, 337 Extropy, 374, 376

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