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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
commensal
Natural environment; Coral reefs
Having benefit for one member of a two-species association but neither positive nor negative effect on the other.
valid name
Natural environment; Coral reefs
In taxonomy, the correct name for a given taxon, which may have several available names, one of which (usually the oldest) is chosen as the valid name. The valid name is always an available name, but ...
nekton
Natural environment; Coral reefs
Organisms with swimming abilities that allow them to move actively through the water column and to move against currents.
primeval soup
Natural environment; Coral reefs
Soviet biologist, Aleksandr Ivanovich Oparin, in 1924, put forward a theory of life on Earth developing in the oceans through gradual chemical evolution of carbon-based molecules in a rich organic ...
cleavage
Natural environment; Coral reefs
The early mitotic cellular divisions of the fertilized egg (zygote).
mixed zone
Natural environment; Coral reefs
The populous region of most bank/barrier reefs seaward of the lower palmata zone. It begins at a depth of 6-8 m.
twilight
Natural environment; Coral reefs
The time immediately before sunrise and after sunset when the sky remains illuminated.
