Assertion: mayfly's leg | /r/HasProperty | modified for burrowing
Facets:
value: in silt
type: LOCATION
value: in sand
type: LOCATION
Source sentences:
text: The legs and jaws of some nymphs are modified for burrowing in silt or sand, whereas in other species, these are flattened to facilitate entering narrow crevices or clinging to bottom materials in swift currents.