Peeling back layers of the ocean would reveal a feast for the eyes, with brilliant colors and dazzling body Whats at the bottom of the sea. The border between the continental slope and the abyssal plain usually has a more gradual descent, and is called the continental risewhich is caused by sediment cascading down the continental slope. Please help improve this article by adding citations to reliable sources. But with time, more advancements would take place which would be able to shed more light on the subject. Exploration is now about showing where things fit among all the other species.