Related by context. Frequent words. (Click for all words.) 64 Homo sapiens 56 homo sapiens 53 hominids 52 Homo erectus 51 hominid 51 lineages 50 Australopithecus 50 Neandertals 50 tyrannosaurs 50 common ancestor 49 vertebrates 48 primate species 48 Neanderthals 48 ancestor 48 Homo floresiensis 48 ancestors 48 clade 47 humans 47 humankind 46 species 46 vertebrate 46 lifeforms 46 megafauna 46 single celled 46 dinosaurs 46 organism 46 single celled organisms 45 phylogeny 45 evolutionarily 45 taxa 45 mammals 45 theropods 45 civilization 44 arthropods 44 mammalian 44 genus 44 Neanderthal 44 hunter gatherers 44 genomes 43 human beings 43 ant species 43 hunter gatherer 43 mankind 43 Y chromosome 43 organisms 43 mass extinction 43 eukaryotes 43 Judeo Christian tradition 43 prehistory 43 genetic makeup 42 archaea 42 mammal 42 primates 42 chimpanzees 42 evolutionary biologists 42 biosphere 42 fossils 42 parasitic worms 42 genetic variation 42 tetrapods 41 mutated genes 41 landmasses 41 theologies 41 progenitors 41 T. rex 41 Homo 41 mammoths 41 Fertile Crescent 41 zygote 41 beings 41 humanity 40 fossilized remains 40 CNVs 40 globular clusters 40 genome sequences 40 terrestrial planets 40 mastodons 40 transcriptome 40 evolutionary 40 sauropods 40 domesticated 40 millennia 40 intelligent beings 40 gene sequences 40 introns 40 sentient beings 40 mass extinctions 40 nonhuman primates 40 prion disease 40 mammal species 40 sauropod 40 interbred 40 forelimbs 40 apes 40 planet 40 civilized societies 40 descendents 40 forbears 40 Archaeopteryx 40 genetic alterations 40 Gnostics