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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.

Contributors in Coral reefs

Coral reefs

Gonangium

Natural environment; Coral reefs

A reproductive polyp of a colonial hydrozoan. It consists of a stalk containing medusa buds surrounded by a thin membrane, the gonotheca.

Creel survey

Natural environment; Coral reefs

A survey of anglers in a particular area to discover the types and numbers of fish caught.

Raster

Natural environment; Coral reefs

An abstraction of the real world where spatial data is expressed as a matrix of cells or pixels, with spatial position implicit in the ordering of the pixels. With the raster data model, spatial data ...

Osmotroph

Natural environment; Coral reefs

An organism that obtains nutrients through the active uptake of soluble materials across the cell membrane.

Monomer

Natural environment; Coral reefs

In chemistry, a single molecule that is the subunit of a polymer; in genetics, a character determined by a gene or genes at a particular locus.

Articulated

Natural environment; Coral reefs

Jointed, as in for example, the soft fin rays of fishes.

Wild type

Natural environment; Coral reefs

The form of an organism that occurs most frequently in nature.

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