Related by context. Frequent words. (Click for all words.) 65 faunal 64 biogeography 62 systematics 61 geomorphology 60 phylogeny 60 taxa 59 taxonomic 59 biodiversity hotspot 58 paleoclimate 58 latitudinal 58 temperate forests 57 biogeochemical 57 taxon 57 species 56 prokaryotes 56 phylogenetic 56 speciation 56 terrestrial ecosystems 55 diatom 55 landmasses 55 convergent evolution 55 megafauna 55 microfossils 55 biodiversity hotspots 55 clades 55 placental mammals 54 radiocarbon dated 54 oceanic 54 hydrothermal vent 54 biomes 54 geoid 54 taxonomist 54 planktonic 54 marine sediments 53 transect 53 Beringia 53 palaeontology 53 biome 53 vertebrate 53 paleontological 53 lineages 53 maxima 53 topological 53 primate species 53 morphologically 53 marine invertebrates 53 decadal 53 nitrogen fixation 53 Palaeontology 53 avian species 52 Geochemistry 52 biophysical 52 theropod 52 Late Cretaceous 52 unicellular 52 mammal species 52 biota 52 intertidal 52 vertebrate species 52 sediment cores 52 foraminifera 52 tectonics 52 subfamily 52 haplotypes 52 landforms 52 phyla 52 paleo 51 continental drift 51 comparative genomics 51 depositional 51 supercontinent 51 Paleocene 51 biogeochemistry 51 poleward 51 vertebrate animals 51 termite mounds 51 Neandertal 51 eukaryotic 51 sexual dimorphism 51 angiosperms 51 mitochondrial genome 51 isotope ratios 51 invertebrate species 51 Archaean 51 lake sediments 50 transects 50 bathymetry 50 anthropological 50 ethnological 50 arthropod 50 Homo sapiens 50 genetically distinct 50 Neandertals 50 morphology 50 stromatolites 50 Dry Valleys 50 Morphology 50 igneous rocks 50 prehistory 50 marine biodiversity 50 volcanic islands