fossilisation, macroevolution, multicellularity, microevolution, placental mammal, dentine, gastrulation, paleoecology, abiogenesis, nitrogen fixation, metazoan, comparative anatomy, teleost fish, coevolution, notochord, asexual reproduction, embryogenesis, symbioses, archeopteryx, ostracods, planetesimal, eukaryote, morphologies, ontogeny, desiccation, angiosperm, flatfishes, hydrologic cycle, nephron, faunas, organogenesis, diatom, hermaphroditism, rotifer, speciation, peppered moth, peroxisome, paranthropus, oxidization, chordate, involution, polyploidy, resorption, endosymbiosis, prokaryotes, mummification, crinoid, abscission, punctuated equilibrium, radioactive decay, concretions, ectoderm, superfetation, tetrapod, spermatogenesis, radiocarbon dating, conodonts, microfossils, habilis, stegosaurs, cenozoic era, neogene, braincase, monocots, cambrian period, embryonic tissue, australopithecines, crystallites, conceptus, bdelloid, evolutionary, arsenate, aragonite, middle paleolithic, bryophytes, decomposition, supersolid, parthenogenesis, metamorphism, noachian, psittacosaurus, roughening, decay, bilaterally symmetrical, anoxia, palaeontological, decipherment, landforms, somites, archaean, fossils, photosynthesis, coprolite, bipedalism, dedifferentiation, prions, chemosynthesis, liverwort, calcite, masculinisation, xenopus laevis, nacre, disenfranchisement, dissolution, institutionalization, stagnation, acclimatization, blockage, breakdown, commodification, destabilization, emasculation, enfranchisement, feminization, marginalization, reification, relocation, acquisition, alienation, blindness, bureaucratization, coalescence

petrifaction, petrification

action, activity, natural action, natural process, passage, transition