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Internal fertilization is the union of an egg and sperm cell during sexual reproduction inside the female body. Internal fertilization, unlike its counterpart, external fertilization, brings more control to the female with reproduction. Most taxa that reproduce by internal fertilization are gonochoric.: 124–125
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fertilization internal sperm female male species mammals birds external egg reproduction eggs fertilize animals cloaca internally time amphibians reptiles spermatophore
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Internal fertilization | is a | union of an egg and sperm cell during sexual reproduction inside the female body | 0.90 | text |
| humans | instance of | and sperm competition.Sperm capacitation has been studied primarily in mammals | 0.80 | text |
| rodents | instance of | and sperm competition.Sperm capacitation has been studied primarily in mammals | 0.80 | text |
| and bovines | instance of | and sperm competition.Sperm capacitation has been studied primarily in mammals | 0.80 | text |
| ducks | instance of | water fowls | 0.80 | text |
| geese have penises | instance of | water fowls | 0.80 | text |
| are able to use them for internal fertilization | instance of | water fowls | 0.80 | text |
| the cortical | instance of | and reactions | 0.80 | text |
| zona reactions | instance of | and reactions | 0.80 | text |
| Internal fertilization | has method | Fertilization | 0.60 | section |
| Internal fertilization | has method | Copulation | 0.60 | section |
| Internal fertilization | has method | Cloacal | 0.60 | section |
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