Tide pool
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A tide pool or rock pool is a shallow pool of seawater that forms on the rocky intertidal shore. These pools typically range from a few inches to a few feet deep and a few feet across. Many of these p
A tide pool in Porto Covo, west coast of Portugal
Tide pools in Santa Cruz, California from spray/splash zone to low tide zone
Low tide zone in a tide pool
The site of a tide pool in Santa Cruz, California showing starfish, sea anemones, and sea sponges.
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
Estuaries have shifting flows of sea water and fresh water.