Assertion: copperhead | /r/HasProperty | ovoviviparous
Facets:
Source sentences:
text: Copperheads are ovoviviparous, which means that eggs incubate inside the mother's body.
text: Copperheads are ovoviviparous, which means that their eggs incubate inside the mother’s body and the babies are therefore born live.
text: Copperheads are ovoviviparous, making fertilized eggs develop inside the female, nourished by a yolk, and young are born alive.