Related by context. Frequent words. (Click for all words.) 50 homo erectus 49 opposable thumb 48 bipedalism 48 apelike 47 bipedal 46 Mammalian 46 nonhuman primate 46 biped 46 Parkinsonian 46 theropod 45 evolutionary origins 45 echidnas 45 Vertebrate 45 Ardipithecus ramidus 45 sapiens 45 hind limb 45 Extinctions 45 stooped posture 45 Meditating 45 sexual dimorphism 44 crocodilians 44 Indohyus 44 Australopithecus 44 forelimbs 44 quadrupeds 44 hunter gatherer societies 44 locomotion 44 Paranthropus 44 Pheromones 44 horned dinosaurs 43 hind limbs 43 australopithecines 43 Physiologically 43 Pterosaurs 43 afarensis 43 gonadal 43 A. afarensis 43 Procreation 43 Brain Cells 43 brachiosaurus 43 Mutated 43 Neuronal 43 plesiosaurs 43 claudication 43 vertebrate animals 43 gait 43 platypuses 43 peccary 42 ontologically 42 tetrapod 42 upright posture 42 apes 42 spatio temporal 42 mosasaurs 42 primate evolution 42 placental mammals 42 fruitflies 42 ape 42 forelegs 42 ichthyosaur 42 Amgen discovers develops 42 Ötzi 42 Homo Sapiens 42 finitude 42 bipeds 42 Diplodocus 42 reproductively 41 sociality 41 marine iguanas 41 prehensile 41 humans 41 pinniped 41 African savanna 41 Numbness 41 Sociobiology 41 Individualism 41 Epigenetic 41 Humans 41 Amgen discovers develops manufactures 41 Sleestaks 41 gut microbiota 41 muscle spasticity 41 Exoplanet 41 flatworms 41 Lameness 41 saber toothed tigers 41 speciesism 41 Fruit Flies 41 microcephalic 41 vocalisations 41 Australian aborigines 41 Ambam 41 Domestication 41 agonistic 41 stiff legged 40 marine reptiles 40 hominid 40 Frans de Waal 40 Chimpanzee 40 medicalisation 40 Dissociation