This is a great resource for a high school Biology plant unit! The Youtube channel, Crash Course, provides many educational videos over a wide array of topics. Students view the Vascular Plant video from the Crash Course youtube channel. (https://youtu.be/h9oDTMXM7M8) This video introduces/reinforces the concepts of vascular plants such as tissues, photosynthesis, plant organs, and primary/secondary growth. The worksheet includes 17 questions for the 11-minute video. Answer key included.