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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
Dissolved oxygen
Natural environment; Coral reefs
The concentration of oxygen dissolved in water, expressed in mg/l or as percent saturation, where saturation is the maximum amount of oxygen that can theoretically be dissolved in water at a given ...
Caudal peduncle
Natural environment; Coral reefs
The narrowest portion of a fish's body, located just posterior to the anal fin and just anterior to the caudal fin.
Centrifugation
Natural environment; Coral reefs
The spinning of a mixture at very high speeds to separate substances of different densities.
Radial canal
Natural environment; Coral reefs
A part of the water vascular system of echinoderms. Specifically, a branch off of the ring canal that leads to an arm (ray) and gives rise to the tube feet. In hydrozoan medusae, the radial canal is ...
Holothurin
Natural environment; Coral reefs
A toxic substance released by some holothuroids (sea cucumbers).
Bipinnaria larva
Natural environment; Coral reefs
An early starfish larva with ciliated bands running about the periphery.
Hemichordate
Natural environment; Coral reefs
Any of various worm-like marine animals belonging to the phylum Hemichordata, having a primitive notochord and gill slits.
