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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.
Industry: Natural environment
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Coral reefs
rubble zone
Natural environment; Coral reefs
The shallowest part of a reef crest landward of the palmata zone. It consists of broken pieces of coral washed back by storms.
imagery
Natural environment; Coral reefs
Visible representation of objects and (or) phenomena as sensed or detected by cameras, infrared and multispectral scanners, radar, and photometers.
weight belt
Natural environment; Coral reefs
A belt worn during scuba diving that contains lead weights, either solid masses or as shot in pouches. The weight belt allows a diver to descend in the water column against the forces buoying the ...
hazardous waste
Natural environment; Coral reefs
A discarded material which contains substances known to be toxic, mutagenic, carcinogenic, or teratogenic to humans or other life; ignitable, corrosive, explosive, or highly reactive alone or with ...
protected area
Natural environment; Coral reefs
A legally established land or water area under either public or private ownership that is regulated and managed to achieve specific conservation objectives.
amoebocyte
Natural environment; Coral reefs
A phagocytic cell found circulating in the body cavity of coelomates, particularly annelids and mollusks, or crawling by amoeboid movement through the interstitial spaces of sponges; an amoeboid cell ...
villus
Natural environment; Coral reefs
A small, fingerlike or hairlike projection of the small intestinal wall that contains connective tissue, blood vessels, and a lymphatic vessel, and which functions in the absorption of nutrients.
