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

Fan palm

Natural environment; Coral reefs

The only species of tree (Pritchardia remota) on the island of Nihoa in the Northwestern Hawaiian Islands.

Paleoclimatology

Natural environment; Coral reefs

The study of past climates throughout geological history, and the causes of the variations among them.

Stereocilium

Natural environment; Coral reefs

A specialised microvillus that superficially resembles a cilium and projects from the surface of certain cells, such as the auditory hair cells .

A type of skeleton found in many soft-bodied invertebrates which consists of a turgid column of liquid within one of the body spaces that provides support or rigidity to the organism or to one of its ...

Ocellus

Natural environment; Coral reefs

An eye-like spot, usually surrounded with a ring of a lighter color, e.g. The ocellus toward the caudal peduncle of some butterflyfish. It may function to deflect attacks to the eyes in agonistic ...

Formalin

Natural environment; Coral reefs

Formaldehyde gas dissolved in water. Formalin is used as a fixative and preservative in some collections of biological specimens.

Nomen nudum

Natural environment; Coral reefs

In taxonomy, a naked name, i.e., a name that, if published before 1931, was not accompanied by a description, definition, or indication, or if published after 1930, is not accompanied by a statement ...