What is Marine Biology?

Marine biology is a comprehensive study of micro organisms and living things in sea or brakish water. There are hundred types of marine animals and other kind of micro organisms that only exist in sea. Marine biology categorizes different animals and water species. It focuses upon marine ecology and its deep impact on environment. Marine life is offers many good things for humanity such as medicine, food, helps transport and tourism and raw materials. Marine ecology and marine biology are two completely different studies. Studies and research proved hat there are more living organisms in sea and water then on land. Marine animals are good source of keeping balance between climate and they contribute in producing sufficient amount of oxygen under water.