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

Gamma ray

Natural environment; Coral reefs

An electromagnetic wave or photon emitted from the nucleus.

Extant

Natural environment; Coral reefs

Of a taxon: having living representatives; of a specimen: still in existence.

Representative or repetitive relation in the segments of the same organism, as in the lobster, where the parts follow each other in a linear series; repeated structures within an organism that have ...

Inner cell mass

Natural environment; Coral reefs

The cluster of cells inside the mammalian blastocyst. These cells give rise to the embryonic disc of the later embryo and, ultimately, to the fetus.

Dry weight

Natural environment; Coral reefs

The moisture-free weight of a biological sample obtained by drying at high (oven-drying) or low (freeze-drying) temperatures for an time sufficient to remove all water.

Continental slope

Natural environment; Coral reefs

The sloping sea bottom of the continental margin that begins at a depth of about 100 to 150 m at the shelf edge and ends at the top of the continental rise or in a deep-sea trench.

Analogous structure

Natural environment; Coral reefs

A body part that serves the same function in different organisms, but differs in structure and embryological development, e.g., the wing of an insect and a bird.