Assertion: sea anemone's algae | /r/CapableOf | play major part
Facets:
value: in barrier reef construction
type: LOCATION
Source sentences:
text: These corals, which were wiped out in the Permian-Triassic extinction about , did not dominate reef construction since sponges and algae also played a major part.
text: These calcareous algae play a major role in barrier reef construction, acting as a sort of living mortar that holds together individual coral colonies.