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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.

Contributors in Coral reefs

Coral reefs

Closed circulatory system

Natural environment; Coral reefs

A circulatory system in which blood flows through blood vessels at all times. Blood flows from arteries to capillaries and through veins, but the tissues surrounding the vessels are not directly ...

Exposure suit

Natural environment; Coral reefs

A full or partial garment that is worn by scuba divers for protection against heat loss. Water conducts heat away from the body about 20 times faster than air. In addition to providing warmth, ...

Mantle

Natural environment; Coral reefs

A membranous or muscular structure in mollusks that surrounds the visceral mass and secretes a shell if one is present.

Shelf reef

Natural environment; Coral reefs

A reef that forms on the continental shelf of large land masses.

Phytotoxin

Natural environment; Coral reefs

A substance similar in its properties to an extracellular bacterial toxin.

Coenzyme

Natural environment; Coral reefs

An organic nonprotein molecule that binds with the protein molecule to form the active enzyme.

Axial skeleton

Natural environment; Coral reefs

In a vertebrate skeleton, the skull, vertebral column, ribs, and sternum.

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