Coral reefs

Coral reefs

Coral reefs are structures formed from the calcium carbonate secretions of corals. They are colonies of tiny animals in marine areas containing few nutrients.

Industry: Natural environment

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Coral reefs

caudal peduncle

Natural environment; Coral reefs

The narrowest portion of a fish's body, located just posterior to the anal fin and just anterior to the caudal fin.

centrifugation

Natural environment; Coral reefs

The spinning of a mixture at very high speeds to separate substances of different densities.

cosmopolitan distribution

Natural environment; Coral reefs

Worldwide distribution within habitat limits.

tidal delta

Natural environment; Coral reefs

A delta formed at both sides of a tidal inlet.

osculum

Natural environment; Coral reefs

A large opening through which water flows out of a sponge. Sponges may have more than one osculum.

A part of the water vascular system of echinoderms. Specifically, a circumoral ring around the esophogus with connecting radial canals each leading to an ambulacrum .It connects to the madreporite ...