Assertion: sponge's function | /r/HasProperty | determined by their impact
Facets:
value: on substrate
type: TRANSITIVE-OBJECT
Source sentences:
text: The important functions of marine sponges have been determined by their impact on substrate (reef creation and erosion of hard oceanic substrate), their coupling with other organisms living at the bottom of the sea (their role in the carbon cycle, silicon cycle, nitrogen cycle, and oxygen depletion), and their interactions with other organisms (Bell, 2008).