Assertion: spider | /r/CapableOf | enlarge their bells
Facets:
value: with air
type: MANNER
Source sentences:
text: Larger spiders are able to produce larger bubbles which have a consequently higher oxygen conductance, but all spiders of this species are able to enlarge their bells in response to increased oxygen demands in low aquatic P(O 2 ) environments.
text: These spiders voluntarily tolerate internal conditions of low oxygen, enlarging their bells with air when the P(O 2 ) drops below 1 kPa; this replenishment process may not need to occur for several days, in some cases.