5 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
Add a new termContributors in Coral reefs
Coral reefs
phyllopod
Natural environment; Coral reefs
Any of various branchiopod crustaceans having swimming and respiratory appendages that resemble leaves.
gastrulation
Natural environment; Coral reefs
During embryonic development of most animals, a complex and coordinated series of cellular movements occurs at the end of cleavage. The details of these movements vary among species, but usually ...
gastric pouch
Natural environment; Coral reefs
In scyphozoans (jellyfish), one of four sacs is which food in digested. Each pouch contains a conspicuous horseshoe-shaped gonad on its floor.
nare
Natural environment; Coral reefs
Nostril; an opening, external and internal, of the nasal passage. Nares (pl) in fishes lead to blind olfactory sacs and do not connect with an internal passageway. There is an incurrent aperture and ...
chemical evolution
Natural environment; Coral reefs
The chemical changes that transformed simple atoms and molecules into the more complex chemicals needed for the origin of life.
