Assertion: sponge's spicule | /r/CapableOf | vary in shape
Facets:
value: to species
type: OTHER
value: from simple rods
type: OTHER
value: with up to six rays
type: OTHER
value: greatly
type: DEGREE
Source sentences:
text: Spicules, which are present in most but not all species, may be made of silica or calcium carbonate, and vary in shape from simple rods to three-dimensional "stars" with up to six rays.
text: The siliceous skeleton is usually composed of discrete elements known as spicules that vary greatly in size and shape from species to species and are hence often used to aid species identification.
text: Spicules vary in shape from simple rods to three-dimensional "stars" with up to six rays.