Coral reefs

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

Embryo

Natural environment; Coral reefs

The stage of early growth and differentiation of tissues and the formation of primitive organs and organ systems of a multicellular organism, from fertilisation until birth or hatching. In seed ...

Gastrolith

Natural environment; Coral reefs

A deposit of calcium salts made in the stomach of many crustaceans during the period between molts. It may be used to store calcium needed in the new exoskeleton.

Parameter

Natural environment; Coral reefs

A particular physical, chemical, or biological property that is being measured.

A small Java programme that can be embedded in a web page to create special effects. Applets differ from full-fledged Java code. They are not allowed to access certain resources on the local computer ...

Ostracitoxin

Natural environment; Coral reefs

A toxin, discharged with mucus into the water, by trunkfishes of the genus Ostracion when they are stressed .

Synapse

Natural environment; Coral reefs

The site where neurons communicate with each other. A synapse is a small gap that physically separates neurons. Axon terminals of a neuron sending a nervous impulse (the presynaptic neuron) release ...