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

Diatom

Natural environment; Coral reefs

A unicellular alga that consists of two interlocking valves composed of silica.

Embayment

Natural environment; Coral reefs

An indentation in the shoreline that forms a bay.

First stage regulator

Natural environment; Coral reefs

Attached to the scuba tank, the first stage regulator reduces the high tank pressure to an intermediate pressure of 100 to 150 psi above the surrounding water pressure.

Globular

Natural environment; Coral reefs

Globe-shaped; having the form of a sphere, or nearly so.

Nomen nullum

Natural environment; Coral reefs

In taxonomy, a null name, i.e.,an unavailable name which, as defined by the International Code of Zoological Nomenclature, is a non-demonstrably intentional change of an original spelling, i.e. A ...

Rejected name

Natural environment; Coral reefs

In taxonomy, a name which, under the provisions of the International Code of Zoological Nomenclature, cannot be used as a valid name and which is set aside in favour of another name.

One of the bony segments of the vertebral column of vertebrate animals; in brittlestars (Echinodermata-Ophiuroidea), a vertebra is one of the many articulated ossicles that join together along the ...