Related by context. Frequent words. (Click for all words.) 60 evolutionary 59 hominid 57 hominids 57 Neandertals 57 mammalian 57 vertebrate 56 Homo sapiens 56 speciation 56 vertebrates 55 Archaeopteryx 54 multicellular 54 fossils 54 mammalian species 54 Australopithecus 54 phylogeny 54 theropods 53 tetrapods 53 introns 53 eukaryotes 52 lineages 52 Homo erectus 52 Late Cretaceous 52 genomes 52 mammals 52 prion disease 52 mutations 52 genetic alterations 52 tyrannosaurs 52 sauropods 52 alternative splicing 52 meiosis 51 Neanderthal genome 51 genetic variability 51 evolutionarily 51 genetic variation 51 neurogenesis 51 DNA methylation 51 eukaryotic 51 prehistory 51 genes 51 Paabo 51 human genome 51 taxa 51 fossil 51 genome 50 miRNAs 50 microRNAs 50 megafauna 50 reproductive biology 50 metabolic processes 50 vertebrate species 50 domestication 50 single celled organisms 50 molecular pathways 50 pterosaurs 50 Pleistocene 50 evolutionary biologists 49 gene expression patterns 49 transcriptome 49 DNA sequences 49 dinosaurs 49 primate species 49 nitrogen fixation 49 coelacanth 49 Neanderthals 49 genetics 49 Wolbachia 49 zebrafish 49 phylogenetic 49 miRNA 49 anatomically modern 49 biochemical processes 49 mass extinctions 49 common ancestor 49 pterosaur 49 mutation 49 extinctions 49 genome sequence 49 fossilized bones 49 mutated genes 49 X chromosome 48 single celled 48 photoreceptor 48 archaea 48 glaciation 48 gene mutations 48 palaeontologists 48 genetic mutation 48 Longrich 48 genetic variants 48 chromosomes 48 genome sequences 48 homo sapiens 48 pathogenesis 48 T. rex 48 P. falciparum 48 epigenetics 48 biological pathways 48 genetic diversity 48 species 48 mtDNA