Related by context. Frequent words. (Click for all words.) 63 theropod 61 genus Homo 61 clades 61 theropods 60 carnivorous dinosaurs 60 vertebrates 60 pterosaurs 60 clade 60 Ardipithecus 60 H. erectus 59 phylogeny 59 subfamily 59 primate species 59 crocodilians 59 forelimbs 58 imprinted genes 58 vertebrate species 58 taxa 58 morphologically 58 Archaeopteryx 58 vertebrate 58 mitochondrial genome 57 Denisovans 57 hominins 57 bipedalism 57 mammalian species 57 feathered dinosaurs 57 mammals 56 tyrannosaur 56 Wolbachia 56 fruit fly Drosophila 56 mammal species 56 Neandertals 56 primates 56 hominin 55 lineages 55 species 55 pterosaur 55 monkeys apes 55 simian immunodeficiency virus 55 genetically distinct 55 clouded leopard 54 avian species 54 Homo sapiens 54 Homo habilis 54 Tiktaalik 54 genus 54 phylogenetic 54 taxonomic 54 Australopithecus 54 hominids 53 prokaryotes 53 FOXP2 53 tetrapods 53 relatedness 53 common ancestor 53 biogeography 53 evolutionarily 53 chimpanzees 53 evolutionary biologists 53 mammalian 53 nonhuman primates 53 eukaryotes 52 subspecies 52 marsupials 52 multicellular organisms 52 phylum 52 hominid 52 Biology Letters 52 asexual reproduction 52 mammal 52 P. falciparum 52 LB1 52 Homo floresiensis 52 mammalian brain 52 Toxoplasma 52 genetic variability 51 pectoral fins 51 Paabo 51 transposons 51 arthropod 51 coronaviruses 51 sauropod 51 lemurs 51 arthropods 51 Homo erectus 51 Caenorhabditis elegans 51 Archaea 51 marine invertebrates 51 evolutionary 51 superfamily 51 symbionts 51 flightless birds 51 moa 51 tyrannosaurs 51 damselflies 51 sauropods 50 archaea 50 chytrid fungus 50 heritable 50 melanosomes