_:b1218112 "The marine abyssal zone biome comprises regions of the marine benthic biome between approximately 2500 m and 6000 m depth. This zone generally coincides with the continental rise and the abyssal plain."^^ . _:b1218112 . _:b1218112 . _:b1218112 . _:b1218112 "PLB:plb"^^ . _:b1218112 "ISBN:044482619X"^^ .