Assertion: brittle star | /r/CapableOf | designate other limbs
Facets:
value: to propel it
type: PURPOSE
Source sentences:
text: In a series of first-time experiments, Brown University evolutionary biologist Henry Astley discovered that brittle stars, despite having no brain, move in a very coordinated fashion, choosing a central arm to chart direction and then designating other limbs to propel it along.