Related by context. Frequent words. (Click for all words.) 58 larval stages 57 vertebrate animals 57 crocodilians 57 reproduce asexually 57 parasitized 55 pit vipers 54 echinoderms 54 cone snails 54 camelids 54 evolutionary adaptation 54 echidnas 53 flatworms 53 reproductive biology 53 marine invertebrates 53 amphipods 53 nonhuman animals 52 plesiosaurs 52 Firmicutes 52 moulting 52 insects spiders 52 unicellular 52 Xenopus 52 warm blooded 52 Indohyus 52 sexual dimorphism 51 asexual reproduction 51 pipefish 51 humans 51 commensal 51 mammals 51 spotted hyenas 51 herbivorous 51 mosasaurs 51 fossilize 51 reproductive physiology 51 morphologically 51 hermaphrodites 51 Barn owls 51 voracious predators 51 microbial ecology 51 lizards snakes 51 placental mammals 50 overfeed 50 mammalian 50 thermoregulation 50 platypuses 50 arthropod 50 marine reptiles 50 biogeography 50 squirrels rabbits 50 rotifers 50 zooxanthellae 50 coevolution 50 gastrointestinal tracts 50 naked mole rats 50 metabolisms 50 Smilodon 50 vertebrate 50 reproductively 50 behavioral ecologist 50 mongooses 50 gut microbes 49 respire 49 developmental abnormalities 49 planktonic 49 theropod dinosaurs 49 herbivory 49 slime molds 49 protists 49 genetically programmed 49 Caenorhabditis elegans 49 systematics 49 diapause 49 seals sea lions 49 peccary 49 marine iguanas 49 parasites 49 subfamily 49 australopithecines 49 featherless 49 Sinervo 48 toothed whales 48 mycobacteria 48 flatworm 48 circadian clocks 48 quadrupeds 48 nonhuman primates 48 evolutionarily 48 foxes coyotes 48 naked mole rat 48 crocodilian 48 arthropods 48 stickleback 48 tetrapod 48 domesticated cats 48 symbionts 48 gonadal 48 moray eels 48 Scientists theorize 48 mole rats 48 horned dinosaurs