Assertion: sea urchin's tube foot | /r/HasProperty | operated by a water vascular system
Facets:
value: like other echinoderms
type: OTHER
value: hydraulically
type: MANNER
Source sentences:
text: The tube feet protrude through pairs of pores in the test, and are operated by a water vascular system; this works through hydraulic pressure, allowing the sea urchin to pump water into and out of the tube feet.
text: Like other echinoderms, the tube feet are operated hydraulically with the water vascular system that all echinoderms have.
text: The tube feet protrude through pairs of pores in the test, and are operated by a water vascular system; this works through hydraulic pressure, allowing the sea urchin to pump water into and out of the tube feet.