Take a tour of a tiny coral polyp to learn how they transform seawater and algae into the raw materials that make up a reef.
While you watch this video, think about the four questions below. Share your answers with a friend or family member or just think in your head.
- What do corals use to build their skeletons?
- What do the corals do over and over again to build an entire reef?
- How long might it take to build a reef?
- How might the ocean impact the shape of the coral?
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