Marine biology
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Marine biology is the scientific study of the biology of marine life, organisms that inhabit the sea. Given that in biology many phyla, families and genera have some species that live in the sea and o
Marine biology studies species that live in marine habitats. Most of the Earth's surface is covered by ocean, which is the home to marine life. Oceans average nearly four kilometers in-depth and are fringed with coastlines that run for about 360,000 kilometres.
Coral reefs provide marine habitats for tube sponges, which in turn become marine habitats for fish
Tide pools with sea stars and sea anemone
Estuaries have shifting flows of sea water and fresh water.
Sea
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A sea is a large body of salt water. There are particular seas and the sea. The sea commonly refers to the ocean, the interconnected body of seawaters that spans most of Earth. Particular seas are eit
The Mediterranean Sea, an enclosed sea flowing into the Atlantic Ocean
The 2004 Indian Ocean tsunami in Thailand
Seaside in Budelli, Italy. Budelli beach is famous for the color of its sand, which is pink due to the presence of fragments of a microorganism called Miniacina miniacea.