Related by context. Frequent words. (Click for all words.) 61 isotope ratios 60 abundances 57 methylation patterns 57 oxygen isotopes 57 morphologies 55 oxygen isotope 55 elemental composition 55 isotopic 54 terrestrial ecosystems 54 mRNA expression 54 spatial scales 54 taxa 53 unicellular 53 isotopic composition 53 morphologic 53 histone modifications 53 morphological 53 genetic determinants 53 Supplementary Fig 52 RNA sequences 52 antigenic 52 genetic polymorphisms 52 allelic 52 prokaryotes 52 biogeochemical 52 endocrine disrupting 52 linkage disequilibrium 52 gene expression patterns 51 placental mammals 51 physicochemical 51 planktonic 51 nitrogen fixation 51 lake sediments 51 amino acid sequences 51 phylogeny 51 nucleotide sequence 51 morphologically 51 organochlorines 51 marine sediments 51 microRNA expression 51 diatom 51 coding sequences 51 pathfinder elements 51 faunal 51 genotypic 50 photosynthetic organisms 50 Chromosomal 50 photochemistry 50 aragonite 50 foraminifera 50 spectral signature 50 spectral signatures 50 naturally occuring 50 metallicity 50 osmium 50 systematics 50 chromosomal regions 50 sexual dimorphism 50 immunoreactivity 50 redshifts 50 amino acid sequence 50 otoliths 50 biogenic 50 histopathological 49 conformations 49 bioaccumulation 49 electron density 49 regulate gene expression 49 naturally occurring 49 geochemists 49 marine invertebrates 49 biogeochemistry 49 uranium thorium 49 magnetic susceptibility 49 noble gases 49 histopathologic 49 serum calcium 49 nanobacteria 49 phylogenetic analysis 49 aquatic invertebrates 49 naturally occurring substances 48 Fig. 1A 48 cystatin C 48 heterozygosity 48 biochemical processes 48 melanosomes 48 phenotypes 48 inorganic compounds 48 serum concentrations 48 #p# [001] 48 reproduce asexually 48 hydroxyl 48 methanogens 48 particle sizes 48 temperature gradients 48 icy moons 48 differentially expressed 48 cytosolic 48 sediment cores 48 radiocarbon dated 48 lymph node metastasis