Assertion: arthropod's structure | /r/CapableOf | protect their body
Facets:
value: nearly
type: DEGREE
Source sentences:
text: Members of this group are marine filter-feeders that secrete a tube-like, chitinous structure that protects their body.
text: Arthropods respire (breathe) through a tracheal system; a potential difficulty considering that the skeletal structure is external and covers nearly all of the body.