WATCH: Flowers and Light Waves

Some plants respond to light by opening their blooms in the morning and closing them in the evening like these morning glory plants: 

Some plants open their blooms at night like this evening primrose plant. This video is actually real-time, not a time lapse video: 

Some plants have flowers that bloom at night like this night blooming cereus. This flower blooms one night of the year and wilts in the morning: 

After you have completed this part of the lesson, you can check the associated box on the main course page to mark it as complete

Last modified: Tuesday, 19 January 2016, 3:39 PM