Related by context. Frequent words. (Click for all words.) 73 Homo erectus 71 Australopithecus 70 hominid 70 Homo sapiens 69 hominids 68 Homo floresiensis 66 theropods 65 common ancestor 63 Neandertals 60 sauropod 60 Archaeopteryx 58 clade 58 genus 58 vertebrates 57 Neanderthals 56 lineages 55 fossils 55 Neanderthal 54 tyrannosaurs 54 sauropods 54 vertebrate 54 Homo 54 evolutionary 54 megafauna 53 primate species 53 dinosaurs 53 pterosaur 53 homo sapiens 53 tetrapods 52 ancestor 52 interbred 52 Ardi 52 arthropods 52 phylogenetic 52 taxa 51 pterosaurs 51 T. rex 51 evolutionarily 51 fossilized remains 50 fossil 50 genetically distinct 50 chimpanzees 50 hunter gatherers 50 primates 50 fossilized bones 50 mammoths 50 eukaryotes 49 evolutionary biologists 49 single celled organisms 49 apes 48 mammal species 48 mass extinction 48 hunter gatherer 48 Triceratops 48 Pleistocene 48 mammalian 48 prion disease 48 herbivore 48 prehistoric 47 species 47 triceratops 47 taxonomic 47 prehistory 47 subspecies 47 palaeontologists 47 extinct species 47 Paleolithic 46 mammals 46 domesticated 46 mtDNA 46 primate 46 Tyrannosaurus rex 46 genetic variation 46 Cro Magnon 46 Neanderthal genome 46 Pliocene 46 genera 46 introns 46 bipedal 46 speciation 46 Neolithic 46 archaea 46 frog species 46 P. falciparum 46 extinctions 45 domestication 45 mammal 45 terrestrial planets 45 Cretaceous 45 Olmec 45 mastodons 45 Y chromosome 45 genomes 45 Mesozoic 45 canine teeth 45 Velociraptor 45 Fossils 44 dinosaur 44 CNVs 44 humans 44 ape