fossilization, abiogenesis, concretion, rotifer, metazoans, macroevolution, flatfishes, homo erectus, comb jelly, conodonts, carboniferous, placental mammal, planetesimal, tetrapod, radula, bryozoan, prokaryote, hyrax, teleost fish, microfossils, otoliths, angiosperms, faunas, diatoms, dentine, aragonite, archeopteryx, rootlets, ectodermal, ostracods, microevolution, eukaryote, peppered moth, paranthropus, asthenosphere, vitalism, endosymbiosis, brachiopods, echinoderm, sandfish, chiton, systematics, gracile, hadean, braincase, flatworm, oligocene epoch, accretionary, crinoids, notochord, monotreme, dinoflagellate, baleen whale, gastropods, chordates, polychaete, toothed whale, coprolite, bilaterally symmetrical, palaeo, supercontinent, hermaphroditism, deglaciation, amphioxus, ichthyosaurs, neogene, sessile, cambrian period, cambium, bipedalism, molluscan, iguanodon, miocene epoch, phanerozoic, spicule, australopithecines, phlogiston, agrobacterium tumefaciens, devonian period, substratum, cavefish, lithosphere, dessication, pteropod, carboniferous period, suberin, middle paleolithic, symbioses, peduncle, crystallites, alimentary tract, tunicates, plesiosaurs, liverwort, shipworm, ontogeny, scaleless, archosaur, somites, smectite, sociobiology, annelid