Assertion: kangaroo rat | /r/HasProperty | placental mammals
Facets:
value: unlike rat-kangaroos
type: OTHER
Source sentences:
text: They are placental mammals, unlike rat-kangaroos, which are marsupials, and their adaptations are very different.
text: Kangaroo rats are placental mammals so they do not have abdominal pouches, but they do have fur lined cheek pouches which are used for storing food.
text: Kangaroo rats are placental mammals, and found only in North America.