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

radial cleavage

Natural environment; Coral reefs

A type of cleavage characteristic of deuterostomes. When changing from a four-cell stage to an eight-cell stage embryo, the cells divide such that each cell in the top four cell plane is directly ...

ligase

Natural environment; Coral reefs

An enzyme used to join DNA (DNA ligase) or RNA (RNA ligase) segments together.

Any species of brightly colored reef-dwelling bony fishes in the family Acanthuridae which have laterally compressed bodies and possess one or more sharp erectile spines near the base of the tail; ...

uropod

Natural environment; Coral reefs

Fan-shaped, paired posterior abdominal appendage in certain crustaceans, e.g., lobsters or shrimp, that are used for swimming.

critical value

Natural environment; Coral reefs

In statistics, the value of a test statistic at or beyond which the null hypothesis is rejected.

safety stop

Natural environment; Coral reefs

On ascending from a dive, a safety stop is a specified time spent by a scuba diver at a specific depth, for nitrogen off-gassing. While not mandatory during a no-decompression dive, it is a sound ...