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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
Perisarc
Natural environment; Coral reefs
The chitinous outer coat of common tissue connecting individuals in some colonial hydrozoans.
Abrasion
Natural environment; Coral reefs
The mechanical process of gradually breaking down a hard layer.
Epidemic spawning
Natural environment; Coral reefs
The simultaneous shedding of gametes by a large number of individuals.
Basket star
Natural environment; Coral reefs
A basket star is a specialised type of brittle star (Echinodermata). It has a series of complexly branched arms which are used to capture plankton.
Behavioural isolating mechanism
Natural environment; Coral reefs
A difference in behaviour (usually reproductive behavior) that prevents genetic exchange between members of different populations or species.
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