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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Contributors in Coral reefs

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Coral reefs

Blastopore

Natural environment; Coral reefs

The opening into the archenteron (primitive gut) of a gastrula. In some animals it develops into the mouth and, in others, into the anus.

Biogeography

Natural environment; Coral reefs

A branch of biology that deals with the geographical distribution of organisms.

Promoter

Natural environment; Coral reefs

A DNA sequence that is located in front of a gene and controls gene expression. Promoters are required for binding of RNA polymerase to initiate transcription.

Original diagnosis

Natural environment; Coral reefs

In taxonomy, a formal statement of characters which distinguish a taxon from other similar or closely related taxa, published at the time of proposal of a new taxonomic name.

One of many multifunctional horn or lobe-shaped or leaf-like process on the back or side of a nudibranch mollusk (sea slug). It has a major function as a respiratory organ (a gill), and with a branch ...

Nutrient cycle

Natural environment; Coral reefs

The cyclic conversion of nutrients from one form to another within biological communities.

Zonation

Natural environment; Coral reefs

The occurrence of single species or groups of species in recognisable bands that might delineate a range of water depth or a range of height in the intertidal zone.