Did you know??? The rocky parts of a coral reef are actually skeletons of hard coral polyps. Now to learn how to build a coral reef in 4 simple steps over a really long time...
1. grow living coral colonies on top of the dead ones
2. after they die, grow new ones on top of them
3. repeat steps 1 and 2 over the years
4. since coral reefs take a long time to grow, wait for a thousand or million years to see results**
**results may vary**
Adapted from life in the coral reef
Done by Tabigail Hung
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