Considering the fact that approximately 70% of the Earth is covered by oceans, marine biology is obviously a essential discipline in the protection of life. in the waters. Marine biology is the scientific study of ocean organisms or brackish and aquatic bodies present in water. This also includes plants and the terrestrial environment that have a direct impact on marine waters. There are several disciplines in marine biology such as biological oceanography, physical oceanography, astronomy, chemistry, zoology, embryology, taxonomy, cell biology, natural history and geology, biology molecular, morphology and meteorology. A new aspect of marine conservation has recently attracted new scientific disciplines such as biogeography, marine ecology, botany, anthropology, zoology, fisheries biology, genetics, economics and law. This article seeks to examine the main focus of marine biology and discover how aquatic organisms are controlled by ocean phenomena. Say no to plagiarism. Get a tailor-made essay on “Why Violent Video Games Should Not Be Banned”? Get the original essay Marine biology is concerned with various aspects of life in waters. For example, how various organisms adapt to the physical and chemical properties of ocean water, ocean currents and movements, the availability of light at different ocean depths, and the solid surface of the seafloor. The sea is also a huge source of food supply, for example fish and shrimp. Weather and climate conditions are also affected by ocean circulation, and much income is generated by international trade, tourism and recreation. The dynamics of existence are also essential in the study of marine biology. For example, coral reef oxygen cycling, predator-prey relationships and food chains, population and distribution, overfishing, invasive and threatened species. Another interesting aspect is the effects of pollution on the life of organisms in the oceans, particularly oil spills caused by shipping, inorganic waste, sewage effluent, fertilizers and pesticides running off from springs. land and siltation due to coastal construction activities. the navy is home to various aquatic beings. These include seabirds such as penguins and penguins, various types of fish, invertebrates like jellyfish, mammals like whales and dolphins, reptiles like sea snakes and sea turtles, mushrooms marine plants such as algae, plants such as mangroves, seagrasses and algae. , and other microscopic organisms such as zoo and phytoplankton. These organisms survive in different ocean habitats. There are two broad categories of marine habitats, namely pelagic or coastal habitat and demarsal or open ocean habitat. Pelagic habitats are those on the surface of the water while demarsal habitats are found deep in the sea. Marine organisms are therefore classified based on their habitats. that is, pelagic organisms and demersal organisms (Trist, 1999). Various technologies are used in marine biology to help uncover the nature of survival and foresight as well as the importance of marine life to humans, for example in providing not only food and water, but also medicine, raw materials and hydraulic energy. There are special toolswhich marine researchers use to effectively study marine life. These include trawling, which is used for collecting marine specimens, and plankton nets to capture microorganisms in the water. These methods are mainly used for sampling. Tracking methods are also used and include photo-identification research, creature cameras and hydrophones to detect and record acoustic signals in the ocean. Sound data is effective for monitoring waves, ships, marine mammals and other ocean activities. Sonar, which is similar to sounding, is essential for tracking larger objects in the water and measuring bathymetry (ocean depth). Sonar works by detecting echoes underwater since sound waves in water last longer than in air. Satellite tags are also used to track marine life. They are usually equipped with sensors that determine their migratory patterns. Satellites are also useful for measuring ocean geographic data such as water color and temperature. These data make it possible to analyze ocean characteristics such as climate, cold and warm water upwellings and currents. There is also observation equipment used under the sea, including remotely operated vehicles (ROVs), which are unmanned robots that transmit data to researchers when diving is considered a health risk. ROVs are typically equipped with sample recovery tools, still and video cameras, and other mechanical equipment necessary to perform measurements. Fiber optics is also an observation tool that uses LED light and low-light cameras, which do not distract deep sea life, to capture the behavioral and characteristic aspects of sea creatures. Some sophisticated computerized technologies are also used in the collection, processing, analysis and display of data captured from strategically positioned sensors in the marine environment to improve the measurement of temperature, salinity, navigation , depth and meteorological data. Researchers also operate underwater. They live and work below the surface of the water for long periods of time. This was called Aquarius by the National Oceanic and Atmospheric Administration. (NOAA). Human impact on the ocean is often more damaging than constructive. This is due to pollution which causes severe and diverse changes in marine life, which then results in a dangerous ecosystem. Pollution causes ocean acidification and warming, an expansion of dead zones in the ocean depths, and changes in water circulation. As a result, seagrass beds, mangroves, coral reefs and fish are scarce. Aquatic food chains are also altered as the distribution takes a new angle. More and more pests and diseases are also appearing in marine life (Global Change Institute, 2010). However, what humans do not realize is the importance of marine life in the existence and survival of humans and the Earth in general. The role of marine biology in the formation of land through erosion and displacement is particularly important. This is entirely relevant to the creation of the earth. According to history, Earth was originally a huge land mass called Pangea. This super continent had a ridge in the middle known as the Mid-Atlantic Ridge. Ocean floor hot spots, holes beneath the ocean, released hot magma and lava from the core.