Marine ooze is a type of sediment found on the ocean floor, primarily composed of tiny particles from dead marine organisms, such as plankton and shellfish. This soft, muddy material accumulates over time and can cover large areas of the seabed, contributing to the ocean's ecosystem. There are two main types of marine ooze: calcareous ooze, which is rich in calcium carbonate from the remains of organisms like foraminifera, and siliceous ooze, composed mainly of silica from diatoms and radiolarians. These sediments play a crucial role in the carbon cycle and provide habitats for various marine life.