Related by context. Frequent words. (Click for all words.) 67 hominids 66 forelimbs 64 Australopithecus 64 hominid 62 Homo erectus 60 locomotion 59 bipedal 59 theropods 58 evolutionary 58 sauropods 58 Homo sapiens 57 pterosaurs 57 Homo habilis 56 tetrapods 55 vertebrates 55 Archaeopteryx 55 Neandertals 55 phylogeny 54 apes 54 evolutionarily 54 Australopithecus afarensis 52 herbivores 52 phylogenetic 52 vertebrate 51 mammoths 51 sauropod 51 herbivore 50 humans 50 mammals 50 homo sapiens 50 Neanderthals 50 nonhuman primates 49 lineages 49 dinosaurs 49 herbivorous 49 multicellular 49 Homo floresiensis 48 domestication 48 evolutionary biologists 48 taxa 48 mammalian 47 moa 47 chimpanzees 47 tyrannosaurs 47 ape 47 common ancestor 47 pterosaur 47 nitrogen fixation 47 T. rex 47 megafauna 47 primate species 47 arthropods 47 paleoanthropologist 47 anatomically modern 47 mammal 47 arboreal 46 hunter gatherers 46 speciation 46 mammalian species 46 baleen whales 46 Ardi 45 arthropod 45 thylacine 45 eukaryotes 45 chimps 45 Longrich 45 marsupials 45 fossil 44 primates 44 Neanderthal 44 ungulates 44 morphological 44 primate 44 metabolic 44 ancestor 44 musculature 44 hind legs 44 melanosomes 44 metabolically 44 humanlike 44 Late Cretaceous 44 clade 43 neural circuitry 43 interbreeding 43 canine teeth 43 fossils 43 Denisovans 43 woolly mammoths 43 T rex 43 mandible 43 hypothesis 43 mandibles 43 vertebrate species 43 hunter gatherer 43 flightless birds 43 phenotype 43 Velociraptor 42 palaeontologist 42 gait 42 reproductive biology 42 coelacanth