Assertion: millipede's pair | /r/CapableOf | act in specie
Facets:
Source sentences:
text: In some species, the first pair of legs at the head end of the centipede acts as sense organs similar to antennae, but unlike the antennae of most other animals, theirs point backwards.
text: In some species, the final pair of legs acts as sense organs similar to antennae, but facing backwards.