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A LITTLE SOMETHING WORTH KNOWING

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NatureOne small ahaEcology

Coral reefs · what they provide for marine animals

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Your new ahaComplex habitat, food, and shelter.

Reef-building corals live with photosynthetic partners in their tissues. Source: Coral reef ↗

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More from Ecosystems

A few more worth knowing.

  1. 12Seagrasses · explain the termRECALL
    Flowering plants that live in shallow marine water.

    They are not seaweed and can form important nursery habitats for fish and other animals.

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  2. 13Kelp forest · explain the termRECALL
    An underwater ecosystem dominated by large brown algae called kelp.

    Kelp can grow quickly and provide food and shelter in cool, nutrient-rich coastal water.

    Open this card ↗
  3. 14This marine mammals are famous for helping keep some kelp forests healthy by eating sea urchins.RECALL
    Sea otters.

    By limiting urchins that graze kelp, sea otters can create a trophic cascade.

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