Related by context. Frequent words. (Click for all words.) 55 macroevolution 54 vertebrate animals 53 evolutionary origins 51 microevolution 50 braincase 50 placental mammals 50 meteor impacts 50 homo sapiens 50 single celled organisms 49 protoplasm 49 sapiens 49 multicellular organisms 49 Homo sapiens 49 unicellular 48 Evolutionists 48 prokaryotic 48 nonliving 48 sociobiology 48 singularities 48 prokaryotes 48 protuberances 48 Tiktaalik 48 trilobite 47 multicellular 47 Ardipithecus ramidus 47 convergent evolution 47 gonadal 47 nonhuman animals 47 fossilization 47 Neandertal 47 zygotes 47 irreducibly complex 47 microbiome 47 single celled 47 Indohyus 47 opposable thumb 46 transhumanists 46 photosynthetic organisms 46 saber toothed tigers 46 primate evolution 46 evolutionary biologists 46 Newtonian physics 46 marine iguanas 46 snail shells 46 DNA helix 45 bony plates 45 systematics 45 fossa 45 species Homo sapiens 45 morphological 45 morphology 45 paleoanthropology 45 plate tectonics 45 transhumanism 45 lithosphere 45 Gondwanaland 45 abiotic 45 ontological 45 fertilized embryo 45 insects spiders 45 H. sapiens 45 relict 45 Changizi 45 anthropocentric 45 undersea volcanoes 45 hydrologic cycle 45 A. afarensis 44 Scientists theorize 44 evolutionists 44 neuroanatomy 44 theropod 44 biogenesis 44 Ardipithecus 44 radioactive decay 44 supercontinent 44 aether 44 hominid fossils 44 developmental abnormalities 44 feathered dinosaurs 44 scientism 44 Oort cloud 44 subatomic 44 reproduce asexually 44 Cambrian Explosion 44 genus Homo 44 morphologically 44 Archaean 44 Snowball Earth 44 palaeontology 44 stromatolites 44 Evolutionary biologists 44 empirical observation 44 human microbiome 44 Genesis #:#-# [004] 44 tetrapod 44 earths 44 classical antiquity 44 pterodactyls 44 theropod dinosaurs 44 primordial 44 bioaccumulation