The sessile corals, sponges, and anemones found in the northern canyons have restricted distributions in that they must live attached to hard substrates.
(anemones; found; L:in the northern canyons) (The sessile corals, sponges, and anemones; have restricted; distributions in that they must live attached to hard substrates) (they; must live; ) (distributions in that they must live; attached; )
anemones The sessile corals, sponges, and anemones they distributions in that they must live
found have restricted must live attached
L:in the northern canyons
distributions in that they must live attached to hard substrates