Related by context. Frequent words. (Click for all words.) 62 Indohyus 60 placental mammals 60 Paranthropus 59 Neandertals 58 horned dinosaurs 58 coevolution 57 hominid species 56 H. sapiens 56 H. erectus 56 Homo habilis 56 faunas 56 mammalian species 56 mosasaurs 56 anthropoids 55 interbred 55 Denisovans 55 By Laurie Kulikowski 55 Darwin finches 55 homo erectus 55 eukaryote 55 By HARVEY SIMPSON 54 captive giant pandas 54 theropod dinosaurs 54 tiger subspecies 54 host = document.location.host 53 temperate zones 53 australopithecines 53 monkeys apes 53 plesiosaurs 53 Beringia 53 genus Homo 53 Poinar 53 evolutionary adaptation 53 hunter gatherer societies 53 simian immunodeficiency virus 53 carnivorous dinosaurs 52 feathered dinosaurs 52 marine reptiles 52 duck billed platypus 52 anatomically modern 52 vertebrate evolution 52 swine influenza viruses 52 Homo sapiens 52 By MOISEKAPENDA BOWER 52 angiosperms 52 teosinte 52 Homo antecessor 52 reproduce asexually 52 H. floresiensis 52 Ventastega 52 kipunji 52 hominins 52 primate evolution 52 Torosaurus 52 Neanderthals 52 vertebrate species 51 crurotarsans 51 Ardipithecus 51 Darwinius 51 species 51 Frans de Waal 51 woolly mammoths 51 Anthropocene 51 Neandertal 51 interglacial period 51 murrelets 51 ichthyosaur 51 Pergams 51 clouded leopard 51 refugia 51 evolutionary biologists 51 brachiopods 51 elk bison 51 vertebrate animals 51 peccary 51 domesticated cats 51 interglacial periods 51 invertebrate animals 51 crocodilians 50 Jurassic Period 50 lineages 50 subtropical regions 50 Ardipithecus ramidus 50 By LOREN STEFFY 50 T. gondii 50 Brusatte 50 bison elk 50 Harpending 50 megafauna 50 Late Triassic 50 cold blooded creatures 50 interbreeding 50 Sumatrans 50 mammalian genomes 50 bipedalism 50 Longrich 50 tyrannosaur 50 theropod 50 arthropod 50 chimp genome 50 evolutionary origins