||A small, shallow body of water that is separated from the sea by coral reefs.
||A sedentary substance made up of marine life exoskeletons, often creating large reefs.
||A small water craft or boat used for exploring.
||The method in which green plants and other organisms use sunlight to process nourishment from water and carbon dioxide.
||A warm-blooded vertebrate that has hair and mammary glands.
material that settles to the bottom of a liquid.
of a large group of segmented invertebrates, such as shrimp and
crabs, that usu. live in water and have hard shells.
||An area where water passes through and a river current meets the tide.
||A deep space that is not measurable, such as a gulf.
||Organisms that occur in an area of water usually made up of small amounts of algae and protozoa.
||A specific are that is shaped in a ring, such as a reef or an island.
||The rise and fall of the waters of the ocean that is a direct result of the connection between the moon and sun.