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Showing 1-3 of 3 Resources
  • Coral Bleaching

    Coral Bleaching


    (3 min 48 sec) Zoom into a coral reef and discover photosynthetic algae inside the coral’s cells. Reef-building corals rely on these symbionts for their survival.

  • Secret of Coral-Reef Survival

    Secret of Coral-Reef Survival

    Image of the Week

    Reef-building corals depend on brown-colored symbiotic algae for survival.

  • Animated Life: Seeing the Invisible

    Animated Life: Seeing the Invisible

    Animated Short

    (6 min 31 sec) This animated feature celebrates 17th-century citizen-scientist Antonie van Leeuwenhoek, whose discoveries of microbes changed our view of the biological world. Also available in Spanish.