Assertion: horseshoe crab | /r/HasProperty | remained unchanged
Facets:
value: for millions of years
type: TEMPORAL
value: relatively
type: DEGREE
value: in terms of shape and size
type: OTHER
value: practically
type: MANNER
Source sentences:
text: Horseshoe crabs are commonly known by biologists around the world as a living fossil because they have remained practically unchanged in terms of shape and size for millions of years.
text: Horseshoe crabs have remained relatively unchanged for hundreds of millions of years, and are therefore known as ‘living fossils’.