Back Mariene biologie Afrikaans Biolochía marina AN علم الأحياء البحرية Arabic Okean biologiyası Azerbaijani Океан биологияһы Bashkir Біялогія акіяна Byelorussian Морска биология Bulgarian Biologia marina Catalan Hāi-iòng Sĕng-ŭk-hŏk CDO Bioleg forol Welsh
Marine biology is the study of any living plant or animal in the sea. Marine biologists study it. Like other scientists, marine biologists must know a lot about the creatures they are studying. They also must understand how the sea works. The study of how the sea works is oceanography.