20 Terms
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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
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.
ecosystem based management (EBM)
Natural environment; Coral reefs
EBM integrates knowledge of ecological interrelationships to manage impacts within an ecosystem. Effective implementation of EBM should: (1) consider ecological processes that operate both inside and ...
esca
Natural environment; Coral reefs
In some fishes, e.g. Frogfishes, the first dorsal fin ray is modified to function as a fishing pole and lure. The part close to the body is the illicium or fishing pole. The esca is the lure on the ...
sedentary
Natural environment; Coral reefs
Not moving. Many organisms, both plants and animals, spend the majority of their lives in one place.
