_:b1218137 . _:b1218137 . _:b1218137 "ISBN:0750633840"^^ . _:b1218137 . _:b1218137 "The marine coral reef biome comprises constructional wave-resistant entities which are primarily built by corals and are often cemented together. The growth of these structures is aided by zooxanthellae, algae that are symbiotic with the reef-building corals."^^ . _:b1218137 "PLB:plb"^^ .