Assertion: shark's embryo | /r/HasProperty | opposed in egg
Facets:
Source sentences:
text: Reproduction is viviparous (the embryo develops inside the body of the mother, as opposed to outside in an egg), with 2 to 4 pups in a litter.
text: The Blacktip shark is viviparous (the embryo develops inside the body of the mother, as opposed to outside in an egg) and has a yolk-sac placenta with 1 – 10 pups per litter.