1
Q
is an invertebrate that can be no bigger than a pinhead to up to a foot in diameter.
A
Coral polyp
2
Q
polyp uses calcium carbonate (CaCO3) called (limestone) from seawater to build
A
coral reefs (calcium carbonate skeletons) which sometimes are called the stony or “true” corals.
3
Q
polyp uses calcium carbonate (CaCO3) called
A
(limestone)
4
Q
Corals can produce very slowly their skeletons without
A
Zooxanthellae
5
Q
look much like little sea anemones
A
Coral Reefs
6
Q
lie in a cup-like skeleton of CaCo3 growing upward and outward building up the skeleton beneath them.
A
Coral polyps
