This animation from HHMI Interactive shows you how coral bleaching occurs. Reef-building corals rely on the photosynthetic algae inside their cells for their survival.
For more resources from the HHMI Interactive website, please go to:
(Click on the image to go to the resource. Right click on the image to save it to include in your teaching materials. Scan in the QR code to save the resource link on your mobile device.)