# Coral Reefs

Know that coral reefs are built by tiny living animals called coral polyps, that reefs are home to more species than almost any other ocean habitat, and that they are sometimes called the 'rainforests of the sea'

Builds on: What Ocean Animals Need (hard, https://ai.page/c/what-ocean-animals-need/en.md), Rock Pool Habitats (soft, https://ai.page/c/rock-pool-habitats/en.md), Ocean Animal Variety (hard, https://ai.page/c/ocean-animal-variety/en.md)

Concept id: coral-reefs. Subject: science. Licence: CC BY-SA 4.0.

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