Related by context. Frequent words. (Click for all words.) 54 Australopithecus 54 genus Homo 53 H. erectus 52 Homo erectus 52 simian immunodeficiency virus 52 Homo sapiens 50 Australopithecus afarensis 50 anatomically modern 50 interbred 49 multicellular 49 hominid 49 hominin 49 anthropoids 48 mitochondrial genome 48 primate species 48 Homo floresiensis 48 subfamily 48 vertebrate species 47 Ardipithecus 47 Indohyus 47 Cretaceous Period 47 clade 47 genetically distinct 47 common ancestor 47 Homo Sapiens 46 Homo habilis 46 crocodilians 46 evolutionary 46 Cambrian explosion 46 western lowland gorillas 46 carnivorous dinosaurs 46 subspecies 46 genetically identical 46 theropod 45 clades 45 mammalian species 45 asexual reproduction 45 multicellular organisms 45 Archaeopteryx 45 hominids 45 theropods 45 melanosomes 45 Neandertals 45 fossilized remains 45 tyrannosaur 45 prokaryotes 44 FOXP2 44 Late Cretaceous 44 genetic variability 44 temperate forests 44 feathered dinosaurs 44 hominins 44 clouded leopard 44 nonhuman primates 44 lineages 44 genetic variation 44 bipedalism 44 eukaryotic 44 infecting humans 44 angiosperms 44 Sumatran rhinos 44 single celled organisms 43 giant tortoise 43 evolutionarily 43 biped 43 baleen whales 43 phyla 43 Columbian mammoth 43 coelacanth 43 LB1 43 Neanderthal DNA 43 African savanna 43 tetrapod 43 interglacial 43 evolutionary adaptation 43 herbivorous 42 P. falciparum 42 arthropod 42 extinct species 42 phylogenetic 42 ape 42 hunter gatherer 42 ground sloths 42 homo sapiens 42 primates 42 herbivore 42 eukaryotic cells 42 gene sequences 42 Neandertal 42 extinct 42 monkeys apes 42 vertebrates 42 sauropod 41 Pleistocene era 41 taxa 41 Paabo 41 Tiktaalik 41 Neanderthal 41 temperate zones 41 genetic alteration 41 afarensis