Organisms That Live Near Or On The Ocean Floor

Plants which release oxygen.

Organisms that live near or on the ocean floor. These species have special adaptations and live at different depths of the ocean with the majority found on the ocean floor. In this photo a red crab chaceon sp feeds on eggs likely of a pallid sculpin. Nearly half of the world s sea floors are over 3 000 meters 9 800 ft deep. Organisms that live near or on the ocean floor are called a parasites b benthos c plankton d mangroves.

Download image jpg 130 kb. What most likely provides energy for organisms on the ocean floor. Organisms living in the deep ocean must survive in a physical environment that is radically different from ocean habitats near the sea surface. These creatures must survive in extremely harsh conditions such as hundreds of bars of pressure small amounts of oxygen very little food no sunlight and constant extreme cold.

Tube worms via noaa okeanos explorer program galapagos rift expedition 2011. Hydrothermal vents produce energy through chemical reactions. Organisms that live deep in the ocean must be able to withstand high. However because only 5 of the oceans have been explored the total number of species existing in these oceans could be over two million.

Let s take a look at just five of these incredible organisms here. The deep ocean zone extends from the low tide line out to the edge of the continental shelf. A relationship in which one organism is helped and another organism is neither helped nor hurt is called a mutualism b parasitism c competition d commensalism. Intertidal a great abundance of life is found in the intertidal zone.

A look at a few of the different habitats organisms live in can focus even more on these important adaptations. Most creatures have to depend on food floating down from above. These creatures live in very demanding environments. Some of the most prominent marine creatures that live near hydrothermal vents are siboglinid tube worms which root themselves to the ocean floor growing up to 6 6 feet in length.

The term deep sea creature refers to organisms that live below the photic zone of the ocean. Organisms that need light for photosynthesis must live near the ocean floor. For deep sea brine pools the salt can come from one of two processes. Which best explains why there is a greater concentration of oxygen located near the ocean s surface.

The dissolution of large salt deposits through salt tectonics or geothermally heated brine issued from tectonic spreading centers. Here are some of the animals that are found in the ocean. In which part of the ocean do the greatest number of organisms live. The previous section briefly discussed the adaptations different types of organisms have to live in the ocean.

In most of the world the ocean floor is very deep averaging 3 790 meters 12 430 ft in depth.