Assertion: mollusk's shell | /r/HasProperty | open
Facets:
value: at both ends
type: TEMPORAL
value: due to the flexible ligament
type: CAUSE
Source sentences:
text: The shell is open at both ends, but because one end is larger than the other, the shell has the appearance of a long tooth.
text: This arrangement allows the shell to be opened and closed without the two halves detaching.
text: The shell is long, cylindrical and tooth- or tusk-shaped, and open at both ends.
text: In some species, when the shells are open, the foot can be extended so that the animal can move slowly over the rocks or sediments.
text: The shell is open at both ends, and both the head and foot of the animal are at the broader end.
text: The worm-like animal is found within tusk shaped shells that are open at both ends.
text: These animals have a single conical shell, which is open on both ends.
text: These animals have a single conical shell, which is open on both ends.
text: Due to the flexible ligament, the shell can be opened or closed.
text: After the shell has been opened, a large closing muscle and four pairs of gills become visible.