Related by context. Frequent words. (Click for all words.) 64 reproduce asexually 63 placental mammals 61 parasitized 59 refugia 59 genetically distinct 59 parasitoids 59 interbred 59 Wolbachia 58 vertebrate animals 58 phylogenetic 58 clades 58 Xenopus 57 symbionts 57 mammalian species 57 unicellular 57 morphologically 57 phyla 57 flatworms 57 larval stages 57 translocated 56 neural crest cells 56 Anopheles gambiae 56 simian immunodeficiency virus 56 T. gondii 56 subfamily 56 evolutionarily 56 montane 56 platypuses 56 crocodilians 55 taxa 55 vertebrate species 55 Scientists theorize 55 symbiont 55 genetic variability 55 H. sapiens 55 multicellular 55 hybridize 55 vertebrate 55 species 55 multicellular organisms 55 angiosperms 55 sexual dimorphism 55 herbivorous 55 haploid 55 banteng 55 teosinte 54 echidnas 54 taxon 54 herbivory 54 canadensis 54 forbs 54 genetically diverse 54 avian species 54 yellow legged frogs 54 prokaryotic 54 Chlamydomonas 54 eukaryotic 54 photosynthetic organisms 54 melanogaster 54 chytridiomycosis 54 prokaryotes 54 genetically identical 54 imprinted genes 54 Sumatran orangutans 54 pseudogenes 54 unfertilized 54 stickleback 54 diploid 53 Ardipithecus 53 Indohyus 53 hermaphroditic 53 fruitfly 53 planktonic 53 single celled 53 interbreeding 53 speciation 53 hunter gatherer societies 53 P. falciparum 53 HLA genes 53 ecological niches 53 clade 53 systematics 53 nonhuman primate 53 clonal 53 epiphytes 53 marine reptiles 53 lineages 53 Anopheles 53 vertebrates 53 recessive genes 53 theropod dinosaurs 53 pygmy rabbits 53 convergent evolution 53 coding sequences 53 asexual reproduction 52 glycosylated 52 temperate zones 52 commensal 52 Penicillium 52 translocations 52 tetrapod