The plants, animals and various other organisms that reside in ocean are known as Marine life. It has been defined in biology that some species resides in sea, where as others resides on land. Depending upon the environment marine biology classifies the species, relatively than on taxonomy. Hence, it not only comprises of organisms that reside in marine environment, and also the lives around the sea. Our planets nature can be determined with the help of marine life, at fundamental level. They produce oxygen and regulate earth’s climate. It consists of plankton and phytoplankton, which are primary producers. They can be viewed only through the microscope.

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