Assertion: reptile's egg | /r/HasProperty | hard-shelled
Facets:
value: hard
type: DEGREE
Source sentences:
text: According to biologists, the single defining characteristic of reptiles is that they lay hard-shelled eggs on dry land as opposed to amphibians, which must lay their softer, more permeable eggs in water.
text: Most species are oviparous, the eggs being white and hard-shelled and usually laid beneath the bark of trees or attached to the underside of leaves.