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

cement

Natural environment; Coral reefs

The chemically precipitated calcium carbonate present in spaces within skeletons or between grains of internal sediment.

weathering

Natural environment; Coral reefs

The mechanical or chemical decomposition of rocks due to weather .

aquiferous system

Natural environment; Coral reefs

Water circulatory system in sponges composed of choanoderm, pores and chambers.

extrinsic factor

Natural environment; Coral reefs

A biotic or abiotic factor acting on an organism or population from outside the organism or population.These are the physical and chemical features of the environment, as well as other organisms.

autoimmune disease

Natural environment; Coral reefs

A disease in which the organism produces antibodies against its own tissues.

A level of cellular organization intermediate between unicellular and multicellular; refers to organisms that occur in a fixed location, with one generation growing on top previous generations, as in ...