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REEF MADNESS - Coggle Diagram
REEF MADNESS
Coral reefs
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The tentacles
stinging cellscells, called
nematocysts,
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HOW CORAL REEFS GROW
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skeletons, made from calcium carbonate (CaCO3)
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CORALS
HARD CORALS
coral—create skeletons out of calcium carbonate,
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hermatypes, or reef-building corals, and need tiny algae called zooxanthellae to survive.
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SOFT CORALS
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do not have stony skeletons,
but instead grow wood-like cores
ahermatypes, or non–reef building corals
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HOW CORALS REPRODUCE
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Sexual Reproduction
75% of reef-building corals are
broadcast spawners, while the rest are brooders.
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