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(Click for frequent words.) 71 foraminifera 70 coccolithophores 67 marine sediments 67 marine invertebrates 66 seafloor sediment 66 diatoms 65 microfossils 65 seabed sediments 64 planktonic foraminifera 64 photosynthetic organisms 64 brachiopods 63 ostracods 63 benthos 63 microbialites 63 bryozoans 62 sedimentary layers 62 trilobites 62 benthic foraminifera 62 crinoids 62 methanogens 62 Diatoms 62 Prochlorococcus 62 sedimentary deposits 61 seafloor sediments 61 strontium isotope 61 diatom 61 amphipods 61 herbivorous dinosaurs 61 Stromatolites 61 oxygen isotopes 61 conodonts 61 Neoproterozoic 61 ocean basins 61 sediments 61 dwelling organisms 61 subseafloor 61 stromatolites 61 metazoans 60 isotopic compositions 60 planktonic 60 aragonite 60 sediments deposited 60 chemosynthetic 60 hydrothermal vent 60 tiny single celled 60 terrestrial ecosystems 60 paleoenvironmental 60 bony fishes 60 stromatolite 60 carbonate sediments 60 chondrules 60 paleomagnetic 60 sulfidic 60 turbidites 60 undersea volcanoes 60 palaeoclimate 60 marine organisms 60 morphological evolution 60 coral skeletons 60 invertebrate animals 60 diatom species 60 sediment cores 59 Sr Ca 59 multicellular animals 59 tetrapods evolved 59 isotope ratios 59 single celled algae 59 subglacial 59 isotopic ratios 59 oxygen isotope ratios 59 plankton blooms 59 Amundsen Sea 59 palaeo 59 vertebrate fossils 59 primitive organisms 59 Trilobites 59 zooplankton species 59 clathrates 59 oxygen isotope 59 fluid inclusions 59 silicate rocks 59 baleen whales 58 Martian meteorites 58 echinoderm 58 larval fish 58 underwater volcanoes 58 unicellular algae 58 martian meteorites 58 zooplankton 58 basaltic rocks 58 isopods 58 subglacial lakes 58 unicellular 58 sea hydrothermal vents 58 atmospheric aerosols 58 copepod 58 isotope fractionation 58 protists 58 Phanerozoic 58 otoliths 58 multi celled 58 KT boundary 58 microfossil 58 Zooplankton 58 single celled microbes 58 mantle plumes 58 carbon isotope ratios 58 Cretaceous Paleogene boundary 58 McMurdo Dry Valleys 58 Dry Valleys 58 Pseudo nitzschia 58 lavas 58 abyssal plain 58 isotopic 58 presolar grains 58 salps 58 phyllosilicate 58 plesiosaurs 58 reef habitats 58 polychaete worms 58 microscopic creatures 58 Lophelia 58 deepwater corals 58 ocean ridges 57 single celled organisms 57 Kermadec Arc 57 choanoflagellates 57 climate modellers 57 carbonate globules 57 animal phyla 57 concretions 57 Late Ordovician 57 oxygen isotopic composition 57 ocean sediment cores 57 lobe finned fishes 57 zircons 57 huxleyi 57 refugia 57 lake sediments 57 Puijila 57 corals sponges 57 planktons 57 Plio Pleistocene 57 ostracodes 57 metazoan 57 carbon isotopes 57 microbial mats 57 single celled creatures 57 organisms 57 mosasaurs 57 paleoclimate 57 megafaunal 57 lunar magma 57 isotopic signature 57 methane seeps 57 Chlamydomonas reinhardtii 57 fossilized coral 57 bryozoan 57 spherules 57 isotopic composition 57 snail shells 57 hydrothermally 57 seafloor habitats 57 unicellular organisms 57 teleost fish 57 microbial organisms 57 chondrites 57 Domoic acid neurotoxin 57 middens 56 prokaryotes 56 oceanic crust 56 gastropod 56 ocean eddies 56 Zalasiewicz 56 flatfishes 56 crustal rocks 56 pteropods 56 sulphidic 56 cratons 56 coralline 56 biominerals 56 sterile neutrino 56 mollusk shells 56 flood basalts 56 upwellings 56 coralline algae 56 algal species 56 marine phytoplankton 56 phyllosilicates 56 osmium 56 reef fishes 56 interannual variability 56 Otto Bliesner 56 Ediacara 56 fossilized pollen 56 lunar crust 56 microplastics 56 antifreeze proteins 56 Late Devonian 56 rotifer 56 terrestrial vertebrates 56 isotopic signatures 56 hydrated minerals 56 photic zone 56 terrestrial biosphere 56 P. boisei 56 comb jellies 56 benthic organisms 56 abyssal plains 56 reef corals 56 Osedax 56 depositional environment 56 molluscan 56 Alexandrium 56 Mg Ca 56 coral polyps 56 ichthyosaurs 56 igneous rocks 56 Mesozoic mammals 56 terrestrial mammals 56 geochemists 56 hydrothermal vents 56 carbonate minerals 56 CAIs 56 speleothems 56 dinoflagellates 56 comb jelly 56 supercontinents 56 Antarctic Circumpolar Current 56 nitrogen fixers 56 single celled bacteria 56 faunas 56 post perovskite 56 calcium carbonate skeletons 56 spicule 56 fine grained sediment 56 filamentous algae 55 chondritic meteorites 55 mammal fossils 55 carbonyl sulfide 55 deglaciation 55 eukaryote 55 microbial ecosystems 55 photosynthetic microbes 55 archaea 55 meteor impacts 55 otolith 55 Plesiosaurs 55 biogeochemical processes 55 Trichodesmium 55 chlorine monoxide 55 Adélie penguins 55 Methane hydrates 55 biogeochemical 55 sulfate minerals 55 ammonites 55 green alga 55 nitrogen fixation 55 isotope composition 55 Warmer oceans 55 volcanic basalt 55 catalytically active 55 meteorite impacts 55 marine ecologists 55 baleen whale 55 sub glacial lakes 55 mineral apatite 55 microscopic organisms 55 coastal upwelling 55 radioactive nuclei 55 calcifying organisms 55 phytoplankton blooms 55 Hydrothermal vents 55 thermophiles 55 Appy Sluijs 55 Cenozoic era 55 magnetic monopoles 55 halite 55 rusticles 55 geochronology 55 vesper bats 55 Proteobacteria 55 Neogene 55 marine plankton 55 Chlamydomonas 55 fossilized dinosaur dung 55 subtidal 55 protozoans 55 celled organisms 55 Fram Strait 55 paleobiologists 55 tectonic plate movements 55 Ventastega 55 carbon spherules 55 bacterial decomposition 55 freshwater invertebrates 55 Permian extinction 55 pteropod 55 sedimentary rock 55 Brigham Grette 55 abundances 55 olivine crystals 55 plastids 55 oceanic circulation 55 Doushantuo Formation 55 vertebrate fossil 55 aerosol particles 55 calcium carbonate shells 55 sulfide minerals 55 paleoclimatology 54 jawed vertebrates 54 benthic 54 silicate mantle 54 Symbiodinium 54 fossilized shells 54 volcanic vents 54 Cambrian Period 54 elemental composition 54 fearsome Tyrannosaurus rex 54 Mytilus 54 Ordovician extinction 54 downwelling 54 branching corals 54 thermal vents 54 microscopic fossils 54 marine invertebrate 54 volcanic magma 54 meteorite fragments 54 Atlantic Multidecadal Oscillation AMO 54 Toba eruption 54 tyrannosaurids 54 Danovaro 54 magnetotactic bacteria 54 Ediacaran 54 Cenozoic 54 tholins 54 mud volcanoes 54 polychaete 54 phytoplankton 54 auklets 54 coelacanths 54 biomineralization 54 fluorinated compounds 54 lacustrine 54 Fe Mn 54 Antarctic krill 54 evolutionary lineage 54 Sedimentary rocks 54 isotherms 54 Nectocaris 54 copepods 54 magmas 54 sulfur isotope 54 aquatic invertebrates 54 marine biota 54 dwelling invertebrates 54 cometary material 54 Middle Paleolithic 54 radiocarbon dated 54 metalloproteins 54 continental rifting 54 archosaurs 54 Ediacara organisms 54 unconventional superconductivity 54 enterotypes 54 hydrothermal venting 54 siliciclastic 54 barometric pressures 54 bacterial mats 54 fecal pellets 54 fungal genomes 54 lava tubes 54 intertidal 54 carbonate ion 54 CaCO 3 54 Maunder minimum 54 methanogenesis 54 coprolites 54 sauropodomorphs 54 insects crustaceans 54 benthic invertebrates 54 bdelloids 54 fossilized creatures 54 photosynthetic bacteria 54 Acanthostega 54 ramidus 54 phylogeographic 54 biogeographic 54 microhabitats 54 biogenic 54 extinct mammals 54 chlorophyll concentrations 54 lobster larvae 54 symbionts 54 Permian Period 54 lunar meteorites 54 Calcium carbonate 54 manganese nodules 54 Cretaceous Paleogene 54 microscopic single celled 54 microbiomes 54 marine reptiles 54 Microorganisms 54 primitive meteorites 54 microscopic crystals 54 microscopic phytoplankton 53 fossilisation 53 fossils 53 chironomid 53 silicate minerals 53 paleoclimatic 53 calcite crystals 53 isostatic rebound 53 chemically reactive 53 benthic macroinvertebrates 53 interglacial 53 eclogite 53 endospores 53 phytoplankton biomass 53 Archaea 53 chemosynthesis 53 Baleen whales 53 komatiitic 53 solar nebula 53 steppe mammoth 53 carbonaceous material 53 silicate mineral 53 magma ocean 53 Last Glacial Maximum 53 Paleocene Eocene Thermal Maximum 53 single celled microorganisms 53 eukaryotic algae 53 echinoderms 53 ectotherms 53 graphite whiskers 53 subduction zones 53 igneous rock 53 calcic 53 tectonically 53 stalagmites 53 mammals 53 oligotrophic 53 inorganic mercury 53 single celled yeast 53 corals 53 Late Paleozoic 53 comet nuclei 53 phytoplankton bloom 53 Paranthropus robustus 53 Paranthropus 53 olivine rich 53 abalones 53 Comparative genomics 53 swim bladders 53 worm C. elegans 53 Earth biosphere 53 brachiopod 53 Palaeocene Eocene Thermal Maximum 53 superheavy elements 53 algal mats 53 freshwater mussel 53 Ordovician 53 phytoliths 53 Gas hydrates 53 fungal strains 53 cnidarians 53 Panderichthys 53 Paleogene 53 vibrios 53 supervolcanoes 53 Aplysia 53 Heterodontosaurus 53 Homo sapiens evolved 53 Messinian 53 ornithischians 53 nitrogen isotopes 53 carbonaceous chondrites 53 Prevotella 53 invertebrates 53 glacial cycles 53 Neanderthals Homo neanderthalensis 53 olivines 53 Acropora 53 calderas 53 photosynthetic apparatus 53 atmospheric methane 53 Murchison meteorite 53 Neutron stars 53 toxic methylmercury 53 giant squid Architeuthis 53 Horseshoe crabs 53 calcite 53 satellite altimetry 53 Ohmoto 53 deep convective clouds 53 abiotic 53 macrofauna 53 tubeworm 53 gastropods 53 phenanthrene 53 Younger Dryas 53 hyena dung 53 flatworm 53 volcanic arcs 53 nebular 53 basalt volcanic 53 Palaeozoic sedimentary 53 Woese 53 Ice Age mammals 53 hydrothermal fluid 53 Brine shrimp 53 spicules 53 martian rocks 53 silicates 53 evaporites 53 hemoglobins 53 endophytic 53 symbioses 53 anamensis 53 shrimplike 53 Paleocene Eocene 53 hydrate deposits 53 sulfur isotopes 53 shell midden 53 reaction kinetics 53 phytoplankton populations 53 biodegraded 53 elkhorn coral 53 Globular clusters 53 oceanographers 53 basaltic rock 53 planetesimals 53 glaciations 53 circumstellar 53 sedimentary 53 Iguanodon 53 dinoflagellate 53 Devonian Period 53 plankton 52 coral larvae 52 gyres 52 Oligocene epoch 52 tunicates 52 molluscs crustaceans 52 earliest hominid 52 robustus 52 tardigrades 52 ecoregions 52 Volvox 52 hydrosphere 52 bryophytes 52 carbon fluxes 52 oceanic currents 52 cenospheres 52 Cenozoic Era 52 spinels 52 pillow lavas 52 ancient supercontinent 52 ALH# 52 seals walrus 52 Kay Bidle 52 cave stalagmites 52 phyla 52 carboniferous 52 nematode Caenorhabditis elegans 52 Mojzsis 52 inorganic salts 52 Deheyn 52 polar oceans 52 lobe finned fish 52 Diporeia 52 magnetite crystals 52 molluscs 52 lowermost mantle 52 atmospheric oceanic 52 biosignatures 52 clastic 52 concretion 52 bonebed 52 stony meteorites 52 bdelloid rotifers 52 stable isotope 52 volcanism 52 solutes 52 submarine volcanoes 52 hematite mineral 52 oxidized mercury 52 radiocarbon dates 52 multi decadal 52 catfishes 52 planetesimal 52 detrital 52 PFCAs 52 paleobiologist 52 meridional overturning circulation 52 Bedout 52 Gakkel Ridge 52 magmatism 52 Methane hydrate 52 prokaryote 52 silicate dust 52 Laurentide ice sheet 52 Ice Ages 52 continental crust 52 plate tectonics 52 Seafloor 52 biogeochemistry 52 Woolly mammoths 52 snails clams 52 Beaked whales 52 hydrated silica 52 slime molds 52 Platynereis 52 sedimentary rocks 52 radiocarbon 52 Anomalocaris 52 endothermic 52 Geomyces destructans 52 annelids 52 Tharsis Rise 52 Indian Ocean Dipole 52 anaerobic microorganisms 52 stickleback 52 Van Mooy 52 Rossby waves 52 paleontological discoveries 52 cone snails 52 hypoxic zone 52 morphologies 52 helium isotopes 52 cyanobacterial 52 worm Caenorhabditis elegans 52 Cryogenian 52 supercontinent 52 chondritic 52 killifish 52 Aureococcus 52 naturally occurring mineral 52 crinoid 52 carbon cenospheres 52 jarosite 52 lithospheric 52 megafauna 52 coral reef fishes 52 phosphite 52 relative abundances 52 interglacial period 52 apatite 52 archaeal 52 glacial interglacial 52 Kuiper belt objects 52 boreal regions 52 sunspot cycles 52 organic molecules 52 Upper Jurassic 52 protocells 52 anthropogenically 52 evaporite deposits 52 BIFs 52 interstellar clouds 52 amorphous silica 52 lithosphere 52 quaggas 52 vibrational modes 52 tetrapods 52 Alexandrium fundyense 52 Sediments 52 Early Cretaceous 52 Oceanographers 52 sulfate aerosol 52 superfluids 52 trilobite 52 ciliates 52 titanosaurs 52 silicate crystals 52 bilaterians 52 Cretaceous extinction 52 sedimentology 52 paleoecologist 52 macroinvertebrates 52 auks 52 sargassum 52 freshwater marsh 52 gracile 52 Precambrian 52 sulfide deposits 52 starfish sea urchins 52 spectroscopic analysis 52 spatial variability 52 abyssal 52 Antarctic Dry Valleys 52 interglacial periods 52 toothed whales 52 glaciological 52 hominin species 52 ray finned fishes 52 Martian craters 52 mildly alkaline 52 microbial degradation 52 sea anemones corals 52 trimers 52 ultracold atoms 52 polynyas 52 chordates 52 optical atomic clocks 52 icy moons 52 invertebrate populations 52 sedimentological 52 Late Cretaceous 52 Navajo Sandstone 52 kelp forests 52 tectonic movements 52 decaying vegetation 52 marine mollusks 52 planetary nebulae 51 silcrete 51 molecular phylogeny 51 Paleobiology Database 51 Nomura jellyfish 51 permafrost soils 51 mineral olivine 51 adsorbate 51 shell middens 51 subsurface ocean 51 Subarctic 51 COFs 51 retinal neurons 51 fulmars 51 interactome 51 iceberg calving 51 decomposers 51 Hot Jupiters 51 Quaternary 51 Kasatochi 51 geomorphology 51 Galapagos finches 51 meteoritic 51 radula 51 nuclides 51 Castorocauda 51 evaporite 51 claystone 51 zeolites 51 mussel shells 51 asthenosphere 51 protozoan 51 multi celled organisms 51 Weddell Sea 51 amphioxus 51 Ichthyostega 51 dolomites 51 placental mammals 51 Radiocarbon 51 peridotitic 51 Greenland Ice 51 Spinosaurus 51 taxa 51 Gondwana supercontinent 51 tides currents 51 cementite 51 Carboniferous Period 51 fossil 51 mammal lineages 51 sauropod dinosaurs 51 damselfish 51 montmorillonite 51 radiogenic 51 formamide 51 carnivorous sponge 51 symbiotic bacteria 51 atmospheric pollutants 51 Antarctic glaciers 51 reef organisms 51 icy comets 51 Paleoclimate 51 paleoecology 51 silicic acid 51 supercontinent Pangaea 51 predator prey interactions 51 extremophile 51 bull kelp 51 carbonaceous meteorites 51 Liang Bua 51 seismograms 51 Permian Triassic boundary 51 preserved fossils 51 chlorophyll molecule 51 Lampreys 51 salt crystals 51 Chicxulub impact 51 vitellogenin 51 Middle Eocene 51 clathrate 51 goethite 51 calcareous 51 tidewater glaciers 51 mollusks 51 hydrothermal fluids 51 avian dinosaurs 51 ncRNA 51 tectonics 51 presolar 51 Cyanobacteria 51 mangrove ecosystems 51 silicate grains 51 saline aquifers 51 Eemian 51 A. ramidus 51 landmasses 51 melanosomes 51 Greenland glaciers 51 climatic variability 51 aerosol concentrations 51 Eocene 51 Sheet WAIS 51 Palaeo 51 Upper Carboniferous 51 archeopteryx 51 Casadevall 51 microbial ecology 51 microscopic algae 51 biogeochemical cycles 51 single celled 51 IR spectra 51 subcellular compartments 51 olivine 51 eukaryotic organisms 51 H. habilis 51 undersea volcanic 51 thermal diffusivity 51 Daeschler 51 planets atmospheres 51 lemur species 51 Sphagnum 51 peridotites 51 organism genome 51 extremophiles 51 sulphate aerosols 51 strange quark 51 Palaeozoic 51 Arctic oscillation 51 subglacial lake 51 C4 grasses 51 Anthony Barnosky 51 Kilimanjaro glaciers 51 Harvati 51 mammalian sperm 51 resonant frequencies 51 cherts 51 Collembola 51 Earthlike 51 sooty shearwaters 51 Middle Miocene 51 seamounts 51 uranium thorium 51 arsenite 51 sulfate aerosols 51 oligomeric 51 magma chambers 51 glaciers melted 51 quantum oscillations 51 starfish crabs 51 ferric oxides 51 oxygenic photosynthesis 51 lunar soil 51 brevetoxin 51 coral Acropora 51 Pliocene 51 noble gases 51 herbarium specimens 51 oceanic lithosphere 51 methane hydrate 51 crystalline solids 51 temperate forests 51 U Th 51 Makovicky 51 zinc sulfide 51 micrometre sized 51 nitrates phosphates 51 hydrothermal activity 51 alga 51 Middle Jurassic 51 dwarf hippos 51 previously undescribed 51 reef ecosystems 51 microbes 51 cyanobacteria 51 intertidal zone 51 yardangs 51 overlying layers 51 tubeworms 51 stratospheric ozone depletion 51 proplyds 51 tectonic stresses 51 hominid fossils 51 calcium fluoride 51 Thermus aquaticus 51 Coral bleaching 51 glacial meltwater 51 stony corals 51 Brackish water 51 abiogenesis 51 seamount 51 Noachian 51 thermophilum 51 southern supercontinent 51 Neanderthal fossils 51 Scientists theorize 51 crystalline silicates 51 herbivorous fish 51 exoplanetary systems 51 embayment 51 glacial fjord 51 macro invertebrates 51 Porites 51 isotopic analysis 51 weakly interacting 51 opossum shrimp 51 pyroxene 51 iron oxides 51 surface temperatures SSTs 51 zooxanthellae 51 multicellular organisms 51 heterogeneous catalysis 51 hydrophobicity 51 Permo Triassic 51 faunal 51 Stegodon 51 Plate tectonics 51 paleo 51 pelagic fishes 51 Hadean 50 carbonaceous chondrite meteorites 50 placental mammal 50 HSPCs 50 grabens 50 prebiotic molecules 50 phylogenies 50 geology hydrology 50 Sauropods 50 PancakeCroc 50 fruitflies 50 loess 50 volcanic lava 50 isopod 50 climate modelers 50 skeletal fragments 50 Prototaxites 50 hibernators 50 oxidized lipids 50 komatiites 50 dromaeosaurs 50 extinct mammal 50 dynamical processes 50 paleoclimatologists 50 sedimentary strata 50 inter tidal 50 Paleocene 50 marinus 50 morphological similarities 50 quartz grains 50 termite mounds 50 hominid evolution 50 herbivorous insects 50 lake sediment cores 50 sediment samples 50 Laetoli 50 granitoids 50 karstic 50 mega fauna 50 temperature salinity 50 erosional 50 SeaWiFS 50 Upper Triassic 50 metal zonation 50 ab initio calculations 50 Sinus Meridiani 50 Antikythera mechanism 50 Microcystis 50 Pfiesteria 50 freshwater estuaries 50 molecular phylogenetic 50 Snowball Earth 50 sea squirts 50 inorganic nitrogen 50 geological strata 50 protoplanet 50 evaporite minerals 50 numerical modeling 50 terrestrial planets 50 Middle Awash 50 biological macromolecules 50 layered ultramafic 50 ULIRGs 50 ocean sunfish 50 predator prey dynamics 50 photosynthesising 50 atmospheric CO2 levels 50 temporal variability