Related by context. Frequent words. (Click for all words.) 60 pipefish 56 reproduce asexually 54 reproductively 54 motile 53 sperms 52 offspring 52 protozoan 52 asexual reproduction 51 rhesus 51 neonate 51 oviduct 51 Toxoplasma gondii 50 cowbird 50 naked mole rat 50 gut microbes 49 sea slugs 49 spermatozoa 49 nematode worms 49 zygotes 49 cichlids 49 sex hormone estrogen 49 sexual dimorphism 48 symbionts 48 female reproductive tract 48 hermaphroditic 48 females 48 rhesus macaque monkeys 48 zebra finch 48 Wolbachia 48 platypuses 48 testis 48 zebra finches 48 damselfish 48 ovulated 48 T. gondii 48 recessive genes 48 asexual 48 sociality 47 Toxoplasma 47 oocyte 47 hermaphrodites 47 unicellular 47 marine invertebrates 47 tadpole 47 mosquitofish 47 breastfed infants 47 unfertilized 47 Pheromones 47 larvae 47 gonad 47 ejaculates 47 gamete 47 Colostrum 47 Fruit flies 47 placental mammals 47 imprinted genes 46 symbiont 46 seahorses 46 cervical mucus 46 unfertilized eggs 46 echidnas 46 centrosomes 46 Aedes aegypti 46 larval 46 Anopheles gambiae 46 mammalian 46 spermatogenesis 46 single celled 46 fibroblast cells 46 lemon sharks 46 diatom 46 prepubertal 46 mole rats 46 Giant panda 45 reproductive hormones 45 maternally 45 genetically programmed 45 Sinervo 45 estrus 45 mollusc 45 Infertile 45 granulocytes 45 mutant flies 45 vaginal secretions 45 haploid 45 naked mole rats 45 Candida albicans 45 breastfeeds 45 vocalisations 45 adipocyte 45 erythrocytes 45 Artificial insemination 45 embryogenesis 45 lactobacilli 45 kisspeptin 45 birthweight 45 sticklebacks 45 Embryos 45 offsprings 45 toadfish 45 pups