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

ancestor

Natural environment; Coral reefs

Any organism, population, or species from which some other organism, population, or species is descended.

equinox

Natural environment; Coral reefs

Either of the two times during a year when the sun crosses the celestial equator and the length of day and night are equal.

ostium

Natural environment; Coral reefs

In sponges, a microscopic pore through which water enters the sponge body.

parts per thousand (ppt)

Natural environment; Coral reefs

Number of parts of a substance found in one thousand parts of a particular gas, liquid, or solid.

autotrophic

Natural environment; Coral reefs

Relating to organisms that have a type of nutrition in which organic compounds used in metabolism are obtained by synthesis from inorganic compounds.

chlorophyll b

Natural environment; Coral reefs

The chlorophyll generally characteristic of higher plants and green algae.It is absent in other types of algae.

enterocoelous

Natural environment; Coral reefs

The mesoderm and coelom initially develop as pouches off of the primitive digestive tract (archenteron) of an embryo. Enterocoelous development of the coelom occurs in deuterostomes.